{"id":"CVE-2024-2873","aliases":["EUVD-2024-27817","GHSA-6w42-c4vx-prcr"],"status":"published","title":"User authentication bypass in wolfSSH server","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00623,"percentile":0.50176,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2024-03-25T21:58:52Z","modified":"2026-10-28T02:30:58Z","products":[{"vendor":"wolfssh","product":"wolfssh"},{"vendor":"wolfssl","product":"wolfssh"},{"vendor":"wolfssl inc.","product":"wolfssh"}],"references":[{"url":"https://github.com/wolfSSL/wolfssh/pull/670","tags":["patch","x_transferred","Issue Tracking","fix"]},{"url":"https://github.com/wolfSSL/wolfssh/pull/671","tags":["patch","x_transferred","Issue Tracking","fix"]},{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/","tags":["vendor-advisory","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-2873","tags":["advisory"]},{"url":"https://www.wolfssl.com/docs/security-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-6w42-c4vx-prcr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/2xxx/CVE-2024-2873.json","tags":["advisory"]},{"url":"https://github.com/wolfSSL/wolfssh","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-2873","title":"User authentication bypass in wolfSSH server","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.\n","status":"published","published":"2024-03-25T21:58:52.325Z","modified":"2024-08-01T19:50:46.158Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:10.258163Z"}],"euvd":[{"id":"EUVD-2024-27817","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.\n","status":"published","published":"2024-03-25T21:58:52Z","modified":"2024-08-01T19:50:46Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-03T03:50:39.455816Z"}],"ghsa":[{"id":"GHSA-6w42-c4vx-prcr","title":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A...","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.\n","status":"published","published":"2024-03-26T00:32:02Z","modified":"2024-03-26T00:32:02Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:55:43.067988Z"}],"nvd":[{"id":"CVE-2024-2873","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.\n","status":"published","published":"2024-03-25T22:37:19.847Z","modified":"2026-06-17T07:25:43.723Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:09:43.052376Z"}],"osv":[{"id":"CVE-2024-2873","title":"User authentication bypass in wolfSSH server","description":"A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.\n","status":"published","published":"2024-03-25T21:58:52.325Z","modified":"2026-10-28T02:30:58.463687406Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:39.569658Z"}]}}