{"id":"CVE-2023-29446","aliases":["EUVD-2023-33015","GHSA-pj7r-qcr7-gx8f"],"status":"published","title":"Improper Input Validation in PTC's Kepware KEPServerEX","description":"An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00244,"percentile":0.15699,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-40"],"published":"2024-01-10T20:21:51Z","modified":"2026-06-17T05:50:04Z","products":[{"vendor":"ptc","product":"kepware kepserverex"},{"vendor":"ptc","product":"kepware_kepserverex"},{"vendor":"ptc","product":"thingworx industrial connectivity"},{"vendor":"ptc","product":"thingworx kepware server"},{"vendor":"ptc","product":"thingworx_industrial_connectivity"},{"vendor":"ptc","product":"thingworx_kepware_server"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03","tags":["government-resource","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.ptc.com/en/support/article/cs399528","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29446"},{"url":"https://www.dragos.com/advisory/ptcs-kepserverex-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-pj7r-qcr7-gx8f"}],"sources":{"cve":[{"id":"CVE-2023-29446","title":"Improper Input Validation in PTC's Kepware KEPServerEX","description":"An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.","status":"published","published":"2024-01-10T20:21:51.434Z","modified":"2024-11-14T17:23:37.514Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-40"],"updated_at":"2026-11-02T14:35:28.643185Z"}],"euvd":[{"id":"EUVD-2023-33015","description":"An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.","status":"published","published":"2024-01-10T20:21:51Z","modified":"2024-11-14T17:23:37Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:00.76838Z"}],"ghsa":[{"id":"GHSA-pj7r-qcr7-gx8f","title":"An improper input validation vulnerability has been discovered that could allow an adversary to...","description":"An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline. ","status":"published","published":"2024-01-10T21:31:08Z","modified":"2024-10-08T18:34:09Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-20","CWE-40"],"updated_at":"2026-11-02T14:58:27.293589Z"}],"nvd":[{"id":"CVE-2023-29446","description":"An improper input validation vulnerability has been discovered that could allow an adversary to inject a UNC path via a malicious project file. This allows an adversary to capture NLTMv2 hashes and potentially crack them offline.","status":"published","published":"2024-01-10T21:15:08.603Z","modified":"2026-06-17T05:50:04.537Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-40","CWE-20"],"updated_at":"2026-11-02T14:09:00.788714Z"}]}}