{"id":"CVE-2025-11625","aliases":["EUVD-2025-35174","GHSA-mhjf-4hv6-xqgr"],"status":"published","title":"Host verification bypass and credential leak","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","severity":{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/U:Red","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00433,"percentile":0.38063,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2025-10-21T13:25:18Z","modified":"2026-10-28T02:31:06Z","products":[{"vendor":"wolfssh","product":"wolfssh"},{"vendor":"wolfssl","product":"wolfssh"}],"references":[{"url":"https://github.com/wolfSSL/wolfssh/pull/840","tags":["Issue Tracking","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11625","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mhjf-4hv6-xqgr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11625.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-11625","title":"Host verification bypass and credential leak","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","status":"published","published":"2025-10-21T13:25:18.12Z","modified":"2026-01-06T17:45:15.401Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/U:Red","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:50.520421Z"}],"euvd":[{"id":"EUVD-2025-35174","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","status":"published","published":"2025-10-21T13:25:18Z","modified":"2026-01-06T17:45:15Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/U:Red","level":"critical"}],"updated_at":"2026-11-02T19:48:55.49901Z"}],"ghsa":[{"id":"GHSA-mhjf-4hv6-xqgr","title":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that...","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","status":"published","published":"2025-10-21T15:30:58Z","modified":"2025-12-04T21:31:02Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","level":"critical"},{"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"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:05:03.172685Z"}],"nvd":[{"id":"CVE-2025-11625","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","status":"published","published":"2025-10-21T14:15:46.997Z","modified":"2026-10-19T16:10:00.26Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","level":"critical","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-287"],"updated_at":"2026-11-02T14:11:39.069866Z"}],"osv":[{"id":"CVE-2025-11625","title":"Host verification bypass and credential leak","description":"Improper host authentication vulnerability in wolfSSH version 1.4.20 and earlier clients that allows authentication bypass and leaking of clients credentials.","status":"published","published":"2025-10-21T13:25:18.12Z","modified":"2026-10-28T02:31:06.739407055Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/U:Red","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:46.024537Z"}]}}