CVE-2021-39935

{"containers": {"cna": {"affected": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=10.5, <14.3.6"}, {"status": "affected", "version": ">=14.4, <14.4.4"}, {"status": "affected", "version": ">=14.5, <14.5.2"}]}], "credits": [{"lang": "en", "value": "Thanks @minhli for reporting this vulnerability through our HackerOne bug bounty program"}], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API"}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Server-side request forgery (ssrf) in GitLab", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-13T15:47:59.000Z", "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187"}, {"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1236965"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@gitlab.com", "ID": "CVE-2021-39935", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GitLab", "version": {"version_data": [{"version_value": ">=10.5, <14.3.6"}, {"version_value": ">=14.4, <14.4.4"}, {"version_value": ">=14.5, <14.5.2"}]}}]}, "vendor_name": "GitLab"}]}}, "credit": [{"lang": "eng", "value": "Thanks @minhli for reporting this vulnerability through our HackerOne bug bounty program"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API"}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Server-side request forgery (ssrf) in GitLab"}]}]}, "references": {"reference_data": [{"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187", "refsource": "MISC", "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187"}, {"name": "https://hackerone.com/reports/1236965", "refsource": "MISC", "url": "https://hackerone.com/reports/1236965"}, {"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json", "refsource": "CONFIRM", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:34.211Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1236965"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "CWE-918 Server-Side Request Forgery (SSRF)"}]}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935", "tags": ["government-resource"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-03T15:23:46.312568Z", "id": "CVE-2021-39935", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-02-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-03T17:20:23.263Z"}, "timeline": [{"time": "2026-02-03T00:00:00.000Z", "lang": "en", "value": "CVE-2021-39935 added to CISA KEV"}]}]}, "cveMetadata": {"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "assignerShortName": "GitLab", "cveId": "CVE-2021-39935", "datePublished": "2021-12-13T15:47:59.000Z", "dateReserved": "2021-08-23T00:00:00.000Z", "dateUpdated": "2026-02-03T17:20:23.263Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://hackerone.com/reports/1236965", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json", "tags": ["x_refsource_CONFIRM", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:34.211Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-39935", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-03T15:23:46.312568Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-02-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "CWE-918 Server-Side Request Forgery (SSRF)"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-03T14:13:20.748Z"}, "timeline": [{"lang": "en", "time": "2026-02-03T00:00:00.000Z", "value": "CVE-2021-39935 added to CISA KEV"}]}], "cna": {"credits": [{"lang": "en", "value": "Thanks @minhli for reporting this vulnerability through our HackerOne bug bounty program"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": ">=10.5, <14.3.6"}, {"status": "affected", "version": ">=14.4, <14.4.4"}, {"status": "affected", "version": ">=14.5, <14.5.2"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187", "tags": ["x_refsource_MISC"]}, {"url": "https://hackerone.com/reports/1236965", "tags": ["x_refsource_MISC"]}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Server-side request forgery (ssrf) in GitLab"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2021-12-13T15:47:59.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Thanks @minhli for reporting this vulnerability through our HackerOne bug bounty program"}], "impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": ">=10.5, <14.3.6"}, {"version_value": ">=14.4, <14.4.4"}, {"version_value": ">=14.5, <14.5.2"}]}, "product_name": "GitLab"}]}, "vendor_name": "GitLab"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187", "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187", "refsource": "MISC"}, {"url": "https://hackerone.com/reports/1236965", "name": "https://hackerone.com/reports/1236965", "refsource": "MISC"}, {"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json", "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json", "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Server-side request forgery (ssrf) in GitLab"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-39935", "STATE": "PUBLIC", "ASSIGNER": "cve@gitlab.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-39935", "state": "PUBLISHED", "dateUpdated": "2026-02-03T17:20:23.263Z", "dateReserved": "2021-08-23T00:00:00.000Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2021-12-13T15:47:59.000Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "GitLab", "vendor": "GitLab", "versions": [{"status": "affected", "version": ">=10.5, <14.3.6"}, {"status": "affected", "version": ">=14.4, <14.4.4"}, {"status": "affected", "version": ">=14.5, <14.5.2"}]}], "source": "cve@gitlab.com"}], "cisaActionDue": "2026-02-24", "cisaExploitAdd": "2026-02-03", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "5B03195F-1FF5-433A-9AE5-1ACB532D4315", "versionEndExcluding": "14.3.6", "versionStartIncluding": "10.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "74E57AED-C563-4935-86BD-DB5B6495B5B0", "versionEndExcluding": "14.3.6", "versionStartIncluding": "10.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "1E801B5F-9C94-4CB2-89ED-D071E567132C", "versionEndExcluding": "14.4.4", "versionStartIncluding": "14.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "7C38F838-02EA-4E2F-8493-57DD401EF911", "versionEndExcluding": "14.4.4", "versionStartIncluding": "14.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "95F59DF7-707C-4C43-8352-8115DAF1C533", "versionEndExcluding": "14.5.2", "versionStartIncluding": "14.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "64F26CC0-C99A-4748-963B-944F39E4B647", "versionEndExcluding": "14.5.2", "versionStartIncluding": "14.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API"}, {"lang": "es", "value": "Se ha detectado un problema en GitLab CE/EE afectando a todas las versiones a partir de 10.5 anteriores a 14.3.6, todas las versiones a partir de 14.4 anteriores a 14.4.4, todas las versiones a partir de 14.5 anteriores a 14.5.2. Los usuarios externos no autorizados pod\u00edan llevar a cabo ataques de tipo Server Side Requests por medio de la API de CI Lint"}], "id": "CVE-2021-39935", "lastModified": "2026-06-17T04:04:27.387", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-39935", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-03T15:23:46.312568Z", "version": "2.0.3"}}]}, "published": "2021-12-13T16:15:09.367", "references": [{"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json"}, {"source": "cve@gitlab.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1236965"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/346187"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/1236965"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-918"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}