{"id":"CVE-2009-1273","aliases":["DEBIAN-CVE-2009-1273","EUVD-2009-1272","GHSA-hcjw-5x4c-67px","openSUSE-SU-2024:10464-1"],"status":"published","title":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates...","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01305,"percentile":0.70729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-255"],"published":"2009-04-08T18:00:00Z","modified":"2026-10-23T17:47:28Z","fixes":[{"ecosystem":"Debian:13","package":"libpam-ssh","fixed_in":["1.92-7"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libpam-ssh","fixed_in":["1.92-7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"libpam-ssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.92-7"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libpam-ssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.92-7"}]}]}],"products":[{"vendor":"andrew_j.korty","product":"pam_ssh"}],"references":[{"url":"http://bugs.gentoo.org/show_bug.cgi?id=263579","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/34986","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/34536","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1273"},{"url":"https://github.com/advisories/GHSA-hcjw-5x4c-67px"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-1273","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-1273","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2009-1273","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2009-04-08T18:00:00Z","modified":"2024-08-07T05:04:49.446Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1272","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2009-04-08T18:00:00Z","modified":"2024-08-07T05:04:49Z","updated_at":"2026-11-03T01:39:22.412498Z"}],"ghsa":[{"id":"GHSA-hcjw-5x4c-67px","title":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates...","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2022-05-02T03:23:16Z","modified":"2023-01-31T05:07:25Z","updated_at":"2026-11-02T14:49:12.586507Z"}],"nvd":[{"id":"CVE-2009-1273","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2009-04-08T18:30:00.233Z","modified":"2026-06-16T23:06:55.14Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:01:34.44527Z"}],"osv":[{"id":"CVE-2009-1273","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2009-04-08T18:30:00Z","modified":"2026-04-10T03:40:43.05937Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DEBIAN-CVE-2009-1273","description":"pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.","status":"published","published":"2009-04-08T18:30:00.233Z","modified":"2026-10-23T17:47:28.925776792Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"id":"openSUSE-SU-2024:10464-1","title":"pam_ssh-2.1-1.7 on GA media","description":"These are all security issues fixed in the pam_ssh-2.1-1.7 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:31.379666Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}