{"id":"CVE-2026-4434","aliases":["EUVD-2026-13688","GHSA-hqx9-f7wh-p26w"],"status":"published","title":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network...","description":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00147,"percentile":0.03968,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-03-20T12:52:55Z","modified":"2026-06-17T10:56:33Z","products":[{"vendor":"devolutions","product":"devolutions_server"},{"vendor":"devolutions","product":"server"}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0005/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4434"},{"url":"https://devolutions.net/security/advisories/DEVO-2026-0005"},{"url":"https://github.com/advisories/GHSA-hqx9-f7wh-p26w"}],"sources":{"cve":[{"id":"CVE-2026-4434","description":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","status":"published","published":"2026-03-20T12:52:55.762Z","modified":"2026-03-23T14:12:02.673Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-13688","description":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","status":"published","published":"2026-03-20T12:52:55Z","modified":"2026-03-23T14:12:02Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:31.656142Z"}],"ghsa":[{"id":"GHSA-hqx9-f7wh-p26w","title":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network...","description":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","status":"published","published":"2026-03-20T15:31:13Z","modified":"2026-03-23T15:31:41Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:06:48.355489Z"}],"nvd":[{"id":"CVE-2026-4434","description":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","status":"published","published":"2026-03-20T13:16:13.043Z","modified":"2026-06-17T10:56:33.95Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:10.126802Z"}]}}