CVE-2020-17518

{"containers": {"cna": {"affected": [{"product": "Apache Flink", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Flink 1.5.1 to 1.11.2"}]}], "credits": [{"lang": "en", "value": "0rich1 of Ant Security FG Lab"}], "descriptions": [{"lang": "en", "value": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-23", "description": "CWE-23 Relative Path Traversal", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2024-08-04T14:01:40.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-user] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cuser.flink.apache.org%3E"}, {"name": "[announce] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cannounce.apache.org%3E"}, {"name": "[oss-security] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/01/05/1"}, {"name": "[flink-issues] 20210106 [GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210112 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210113 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Reopened] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Comment Edited] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210115 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210121 Re: [VOTE] Release 1.10.3, release candidate #1", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa%40%3Cdev.flink.apache.org%3E"}, {"name": "[announce] 20210125 Apache Software Foundation Security Report: 2020", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"}, {"name": "[announce] 20210223 Re: Apache Software Foundation Security Report: 2020", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3E"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Flink directory traversal attack: remote file writing through the REST API", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "ID": "CVE-2020-17518", "STATE": "PUBLIC", "TITLE": "Apache Flink directory traversal attack: remote file writing through the REST API"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache Flink", "version": {"version_data": [{"version_name": "Apache Flink", "version_value": "1.5.1 to 1.11.2"}]}}]}, "vendor_name": "Apache Software Foundation"}]}}, "credit": [{"lang": "eng", "value": "0rich1 of Ant Security FG Lab"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-23 Relative Path Traversal"}]}]}, "references": {"reference_data": [{"name": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E", "refsource": "MISC", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cdev.flink.apache.org%3E"}, {"name": "[flink-user] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cuser.flink.apache.org%3E"}, {"name": "[announce] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261@%3Cannounce.apache.org%3E"}, {"name": "[oss-security] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/01/05/1"}, {"name": "[flink-issues] 20210106 [GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3@%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210112 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210113 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f@%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Reopened] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Comment Edited] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc@%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210115 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1@%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210121 Re: [VOTE] Release 1.10.3, release candidate #1", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa@%3Cdev.flink.apache.org%3E"}, {"name": "[announce] 20210125 Apache Software Foundation Security Report: 2020", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3E"}, {"name": "[announce] 20210223 Re: Apache Software Foundation Security Report: 2020", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3E"}, {"name": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3E", "refsource": "MISC", "url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d@%3Cuser-zh.flink.apache.org%3E"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:48.660Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-user] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cuser.flink.apache.org%3E"}, {"name": "[announce] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cannounce.apache.org%3E"}, {"name": "[oss-security] 20210105 [CVE-2020-17518] Apache Flink directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/01/05/1"}, {"name": "[flink-issues] 20210106 [GitHub] [flink-web] zentol commented on a change in pull request #408: Add security page for Flink", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210106 [jira] [Created] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210107 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210112 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210113 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Reopened] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Closed] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Comment Edited] (FLINK-20875) Could patch CVE-2020-17518 to version 1.10", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Updated] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-issues] 20210114 [jira] [Commented] (FLINK-20875) [CVE-2020-17518] Directory traversal attack: remote file writing through the REST API", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc%40%3Cissues.flink.apache.org%3E"}, {"name": "[flink-dev] 20210115 Re: [DISCUSS] Releasing Apache Flink 1.10.3", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E"}, {"name": "[flink-dev] 20210121 Re: [VOTE] Release 1.10.3, release candidate #1", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa%40%3Cdev.flink.apache.org%3E"}, {"name": "[announce] 20210125 Apache Software Foundation Security Report: 2020", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"}, {"name": "[announce] 20210223 Re: Apache Software Foundation Security Report: 2020", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3E"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2020-17518", "datePublished": "2021-01-05T11:40:13.000Z", "dateReserved": "2020-08-12T00:00:00.000Z", "dateUpdated": "2025-02-13T16:27:34.016Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Apache Flink", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Flink 1.5.1 to 1.11.2"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:flink:*:*:*:*:*:*:*:*", "matchCriteriaId": "080CC731-EB0E-4F46-A9A0-D0AB49C84A83", "versionEndExcluding": "1.11.3", "versionStartIncluding": "1.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."}, {"lang": "es", "value": "Apache Flink versi\u00f3n 1.5.1, introdujo un controlador de REST que le permite escribir un archivo cargado en una ubicaci\u00f3n arbitraria en el sistema de archivos local, por medio de un encabezado HTTP modificado maliciosamente. Los archivos se pueden escribir en cualquier ubicaci\u00f3n accesible de Flink versi\u00f3n 1.5.1. Todos los usuarios deben actualizar a Flink versi\u00f3n 1.11.3 o 1.12.0 si sus instancias de Flink est\u00e1n expuestas. El problema se corrigi\u00f3 en el commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 de apache/flink:master"}], "id": "CVE-2020-17518", "lastModified": "2026-06-17T02:59:03.717", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-05T12:15:12.367", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/01/05/1"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cannounce.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cuser.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3%40%3Cdev.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d%40%3Cissues.flink.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/01/05/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r0b000dc028616d33cb9aa388eb45d516b789cab0024dad94bc06588a%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r26fcdd4fe288323006253437ebc4dd6fdfadfb5e93465a0e4f68420d%40%3Cuser-zh.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r28f17e564950d663e68cc6fe75756012dda62ac623766bb9bc5e7034%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r4a87837518804b31eb9db3048347ed2bb7b46fbaad5844f22a9fd4dc%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r5444acac3407ef6397d6aef1b5aec2db53b4b88ef221e63084c1e5f2%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r705fb2211b82c9f1f8d2b1d4c823bcbca50402ba09b96608ec657efe%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r710693b0d3b229c81f485804ea1145b4edda79c9e77d66c39a0a2ff1%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r7b2ee88c66fc1d0823e66475631f5c3e7f0365204ff0cb094d9f2433%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r8167f30c4c60a11b8d5be3f55537beeda629be61196e693bde403b36%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r88200d2f0b620c6b4b1585a7171355005c89e678b01d0e71a16c57e7%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ra8c96bf3ccb4e491f9ce87ba35f134b4449beb2a38d1ce28fd89001f%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cannounce.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rb43cd476419a48be89c1339b527a18116f23eec5b6df2b2acbfef261%40%3Cuser.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rcb9e8af775f2a3706b69153aefde78f208871649df057c70ce2e24f9%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rd2467344f88bcaf108b8209ca92da8ec393c68174bfb8c27d1e20faa%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rd6a1a0e2d73220a65a8f6535bbcd24bb66adb0d046c4a1aa18777cf3%40%3Cdev.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rec0d650fbd4ea1a5e1224a347d83a63cb44291c334ad58b8809bc23b%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rf8812a5703f4a5f1341138baf239258b250875699732cfdf9d55b21d%40%3Cissues.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rfe159ccf496d75813f24c6079c5d33872d83f5a2e39cb32c3aef5a73%40%3Cissues.flink.apache.org%3E"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:3140", "cpe": "cpe:/a:redhat:jboss_fuse:7", "package": "flink", "product_name": "Red Hat Fuse 7.9", "release_date": "2021-08-11T00:00:00Z"}, {"advisory": "RHSA-2021:3205", "cpe": "cpe:/a:redhat:integration:1", "package": "flink", "product_name": "Red Hat Integration", "release_date": "2021-08-18T00:00:00Z"}, {"advisory": "RHSA-2021:3207", "cpe": "cpe:/a:redhat:camel_quarkus:2", "impact": "moderate", "package": "flink", "product_name": "Red Hat Integration Camel Quarkus 1", "release_date": "2021-08-18T00:00:00Z"}], "bugzilla": {"description": "apache-flink: directory traversal attack allows remote file writing through the REST API", "id": "1913312", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1913312"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-22", "details": ["Apache Flink 1.5.1 introduced a REST handler that allows you to write an uploaded file to an arbitrary location on the local file system, through a maliciously modified HTTP HEADER. The files can be written to any location accessible by Flink 1.5.1. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit a5264a6f41524afe8ceadf1d8ddc8c80f323ebc4 from apache/flink:master."], "name": "CVE-2020-17518", "public_date": "2021-01-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-17518\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-17518"], "threat_severity": "Moderate"}

{}