CVE-2023-5909

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"00000000-0000-4000-9000-000000000000", "value": "Shawn Hoffman"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p></p>\n\n<p></p>\n\n<p>KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.</p><br>\n\n<br>\n\n"}], "value": "\n\n\n\n\n\n\n\n\nKEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.\n\n\n\n\n\n\n\n"}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-297", "description": "CWE-297 Improper Validation of Certificate with Host Mismatch", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2023-11-30T22:05:59.595Z"}, "references": [{"tags": ["government-resource"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p>PTC has released and recommends users to update to the following versions:</p><ul><li>KEPServerEX should upgrade to v6.15 or later</li><li>ThingWorx Kepware Server should upgrade to v6.15 or later</li><li>ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later</li><li>OPC-Aggregator should upgrade to v6.15 or later</li><li>ThingWorx Kepware Edge: Upgrade to v1.8 or later</li></ul><p>Refer to secure configuration guide <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide\">here</a></p><p>If additional questions remain, please contact <a target=\"_blank\" rel=\"nofollow\" href=\"https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log?\">PTC Technical Support</a></p><p>For more information, see PTC's <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ptc.com/en/support/article/CS405439\">advisory</a>.</p>\n\n<br>"}], "value": "\nPTC has released and recommends users to update to the following versions:\n\n * KEPServerEX should upgrade to v6.15 or later\n * ThingWorx Kepware Server should upgrade to v6.15 or later\n * ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later\n * OPC-Aggregator should upgrade to v6.15 or later\n * ThingWorx Kepware Edge: Upgrade to v1.8 or later\n\n\nRefer to secure configuration guide here https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide \n\nIf additional questions remain, please contact PTC Technical Support https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log \n\nFor more information, see PTC's advisory https://www.ptc.com/en/support/article/CS405439 .\n\n\n\n\n"}], "source": {"discovery": "UNKNOWN"}, "title": "Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:14:24.693Z"}, "title": "CVE Program Container", "references": [{"tags": ["government-resource", "x_transferred"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-5909", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2023-12-09T05:06:00.963177Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-25T17:20:07.195Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03", "tags": ["government-resource", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T08:14:24.693Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-5909", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2023-12-09T05:06:00.963177Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-25T16:54:26.996Z"}}], "cna": {"title": "Improper Validation of Certificate with Host Mismatch in PTC KEPServerEx", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Shawn Hoffman"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "PTC", "product": "KEPServerEX", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "6.14.263.0"}], "defaultStatus": "unaffected"}, {"vendor": "PTC", "product": "ThingWorx Kepware Server", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "6.14.263.0"}], "defaultStatus": "unaffected"}, {"vendor": "PTC", "product": "ThingWorx Industrial Connectivity", "versions": 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"versionType": "custom", "lessThanOrEqual": "6.14.263.0"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "\nPTC has released and recommends users to update to the following versions:\n\n * KEPServerEX should upgrade to v6.15 or later\n * ThingWorx Kepware Server should upgrade to v6.15 or later\n * ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later\n * OPC-Aggregator should upgrade to v6.15 or later\n * ThingWorx Kepware Edge: Upgrade to v1.8 or later\n\n\nRefer to secure configuration guide here https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide \n\nIf additional questions remain, please contact PTC Technical Support https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log \n\nFor more information, see PTC's advisory https://www.ptc.com/en/support/article/CS405439 .\n\n\n\n\n", "supportingMedia": [{"type": "text/html", "value": "\n\n<p>PTC has released and recommends users to update to the following versions:</p><ul><li>KEPServerEX should upgrade to v6.15 or later</li><li>ThingWorx Kepware Server should upgrade to v6.15 or later</li><li>ThingWorx Industrial Connectivity should upgrade to ThingWorx Kepware Server v6.15 or later</li><li>OPC-Aggregator should upgrade to v6.15 or later</li><li>ThingWorx Kepware Edge: Upgrade to v1.8 or later</li></ul><p>Refer to secure configuration guide <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ptc.com/en/support/refdoc/ThingWorx_Kepware_Server/6.15/ThingWorx%20Kepware%20Server%20Secure%20Deployment%20Guide\">here</a></p><p>If additional questions remain, please contact <a target=\"_blank\" rel=\"nofollow\" href=\"https://support.ptc.com/apps/case_logger_viewer/cs/auth/ssl/log?\">PTC Technical Support</a></p><p>For more information, see PTC's <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.ptc.com/en/support/article/CS405439\">advisory</a>.</p>\n\n<br>", "base64": false}]}], "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-03", "tags": ["government-resource"]}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "\n\n\n\n\n\n\n\n\nKEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.\n\n\n\n\n\n\n\n", "supportingMedia": [{"type": "text/html", "value": "\n\n<p></p>\n\n<p></p>\n\n<p>KEPServerEX does not properly validate certificates from clients which may allow unauthenticated users to connect.</p><br>\n\n<br>\n\n", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-297", "description": "CWE-297 Improper Validation of Certificate with Host Mismatch"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2023-11-30T22:05:59.595Z"}}}, "cveMetadata": {"cveId": "CVE-2023-5909", "state": "PUBLISHED", 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"6.14.263.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ptc:opc-aggregator:*:*:*:*:*:*:*:*", "matchCriteriaId": "B0A4FE5D-D1DD-4854-B709-3E0A54D6BE97", "versionEndIncluding": "6.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*", "matchCriteriaId": "D01A814D-8F2B-4B88-A66B-F2A2C293A6AB", "vulnerable": true}, {"criteria": "cpe:2.3:a:ptc:thingworx_kepware_edge:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8B99ED4-CEB0-463D-9900-426C6108A009", "versionEndIncluding": "1.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:ptc:thingworx_kepware_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "14930935-3DE4-403F-9F6A-9E4490C3B95D", "versionEndIncluding": "6.14.263.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rockwellautomation:kepserver_enterprise:*:*:*:*:*:*:*:*", "matchCriteriaId": "40663AD6-24DE-4D75-AA95-0D4E6A2ADF04", "versionEndIncluding": "6.14.263.0", "vulnerable": true}, {"criteria": 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