{"id":"CVE-2023-39930","aliases":["EUVD-2023-43628","GHSA-4x43-fwgv-cq8j"],"status":"published","title":"PingFederate PingID Radius PCV Authentication Bypass","description":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00839,"percentile":0.58308,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-288","CWE-306"],"published":"2023-10-24T20:54:08Z","modified":"2026-06-17T06:12:58Z","products":[{"vendor":"ping identity","product":"pingid radius pcv"},{"vendor":"pingidentity","product":"pingid_radius_pcv"}],"references":[{"url":"https://www.pingidentity.com/en/resources/downloads/pingfederate.html","tags":["x_transferred","Product"]},{"url":"https://docs.pingidentity.com/r/en-us/pingid/pingid_integration_kit_2_26_rn","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39930"},{"url":"https://github.com/advisories/GHSA-4x43-fwgv-cq8j"}],"sources":{"cve":[{"id":"CVE-2023-39930","title":"PingFederate PingID Radius PCV Authentication Bypass","description":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.","status":"published","published":"2023-10-24T20:54:08.795Z","modified":"2024-09-17T14:16:56.734Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-288"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-43628","description":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.","status":"published","published":"2023-10-24T20:54:08Z","modified":"2024-09-17T14:16:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:21.906955Z"}],"ghsa":[{"id":"GHSA-4x43-fwgv-cq8j","title":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius...","description":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.","status":"published","published":"2023-10-25T18:32:22Z","modified":"2024-04-04T08:55:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-288","CWE-306"],"updated_at":"2026-11-02T14:57:03.138275Z"}],"nvd":[{"id":"CVE-2023-39930","description":"A first-factor authentication bypass vulnerability exists in the PingFederate with PingID Radius PCV when a MSCHAP authentication request is sent via a maliciously crafted RADIUS client request.","status":"published","published":"2023-10-25T18:17:29.823Z","modified":"2026-06-17T06:12:58.873Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-288","CWE-306"],"updated_at":"2026-11-02T14:08:39.058878Z"}]}}