{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-5909","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","state":"PUBLISHED","assignerShortName":"icscert","dateReserved":"2023-11-01T16:18:45.060Z","datePublished":"2023-11-30T22:05:59.595Z","dateUpdated":"2026-02-25T17:20:07.195Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"KEPServerEX","vendor":"PTC","versions":[{"lessThanOrEqual":"6.14.263.0","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"ThingWorx Kepware Server","vendor":"PTC","versions":[{"lessThanOrEqual":"6.14.263.0","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"ThingWorx Industrial Connectivity","vendor":"PTC","versions":[{"status":"affected","version":"All versions"}]},{"defaultStatus":"unaffected","product":"OPC-Aggregator","vendor":"PTC","versions":[{"lessThanOrEqual":"6.14","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"ThingWorx Kepware Edge","vendor":"PTC","versions":[{"lessThanOrEqual":"1.7","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"KEPServer Enterprise","vendor":"Rockwell Automation ","versions":[{"lessThanOrEqual":"6.14.263.0","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Industrial Gateway Server","vendor":"GE Gigital","versions":[{"lessThanOrEqual":"7.614","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"TOP Server","vendor":"Software Toolbox","versions":[{"lessThanOrEqual":"6.14.263.0","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","user":"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"}}]}}