{"id":"CVE-1999-0963","aliases":["EUVD-1999-0944","GHSA-h2vr-vgcx-h595"],"status":"published","title":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","description":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00345,"percentile":0.283,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1999-12-01T05:00:00Z","modified":"2026-06-16T21:49:25Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://www.osvdb.org/6088","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0963"},{"url":"https://github.com/advisories/GHSA-h2vr-vgcx-h595"}],"sources":{"cve":[{"id":"CVE-1999-0963","description":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","status":"published","published":"2000-01-04T05:00:00Z","modified":"2024-08-01T16:55:29.415Z","updated_at":"2026-11-02T14:33:53.60785Z"}],"euvd":[{"id":"EUVD-1999-0944","description":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","status":"published","published":"2000-01-04T05:00:00Z","modified":"2024-08-01T16:55:29Z","updated_at":"2026-11-03T03:50:44.737415Z"}],"ghsa":[{"id":"GHSA-h2vr-vgcx-h595","title":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","description":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","status":"published","published":"2022-04-30T18:11:32Z","modified":"2023-01-30T05:04:38Z","updated_at":"2026-11-02T14:47:05.478485Z"}],"nvd":[{"id":"CVE-1999-0963","description":"FreeBSD mount_union command allows local users to gain root privileges via a symlink attack.","status":"published","published":"1999-12-01T05:00:00Z","modified":"2026-06-16T21:49:25.107Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:40.923898Z"}]}}