{"id":"CVE-2019-19522","aliases":["EUVD-2019-9140","GHSA-w448-mv88-mx78"],"status":"published","title":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled,...","description":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00468,"percentile":0.40761,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2019-12-04T23:33:05Z","modified":"2026-06-17T02:26:48Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2019/12/04/5","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://www.openbsd.org/errata66.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2019/12/04/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://seclists.org/bugtraq/2019/Dec/8","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2019/Dec/14","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19522"},{"url":"https://github.com/advisories/GHSA-w448-mv88-mx78"}],"sources":{"cve":[{"id":"CVE-2019-19522","description":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.","status":"published","published":"2019-12-04T23:33:05Z","modified":"2024-08-05T02:16:48.314Z","updated_at":"2026-11-02T14:20:21.059499Z"}],"euvd":[{"id":"EUVD-2019-9140","description":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.","status":"published","published":"2019-12-04T23:33:05Z","modified":"2024-08-05T02:16:48Z","updated_at":"2026-11-03T02:40:25.391321Z"}],"ghsa":[{"id":"GHSA-w448-mv88-mx78","title":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled,...","description":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.","status":"published","published":"2022-05-24T17:02:43Z","modified":"2024-04-04T02:42:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:56:11.047077Z"}],"nvd":[{"id":"CVE-2019-19522","description":"OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root.","status":"published","published":"2019-12-05T00:15:11.497Z","modified":"2026-06-17T02:26:48.193Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:05:38.993437Z"}]}}