{"id":"CVE-2013-6171","aliases":["DEBIAN-CVE-2013-6171","EUVD-2013-6000","GHSA-f2q7-xh76-m34j","UBUNTU-CVE-2013-6171"],"status":"published","title":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is...","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01457,"percentile":0.7369,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2013-12-09T00:00:00Z","modified":"2026-09-01T20:03:18Z","fixes":[{"ecosystem":"Debian:12","package":"dovecot","fixed_in":["1:2.2.9-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"dovecot","fixed_in":["1:2.2.9-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"dovecot","fixed_in":["1:2.2.9-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dovecot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.9-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"dovecot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.9-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"dovecot","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.2.9-1"}]}]}],"products":[{"vendor":"dovecot","product":"dovecot"}],"references":[{"url":"http://cpanel.net/tsr-2013-0010-full-disclosure/","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"https://usn.ubuntu.com/3556-2/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://secunia.com/advisories/54808","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.dovecot.org/list/dovecot-news/2013-November/000264.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6171"},{"url":"https://usn.ubuntu.com/3556-2"},{"url":"http://cpanel.net/tsr-2013-0010-full-disclosure"},{"url":"https://github.com/advisories/GHSA-f2q7-xh76-m34j"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-6171","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-6171","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3556-2","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-6171","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-6171","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2013-12-09T11:00:00Z","modified":"2024-08-06T17:29:42.974Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2013-6000","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2013-12-09T11:00:00Z","modified":"2024-08-06T17:29:42Z","updated_at":"2026-11-03T01:56:27.166265Z"}],"ghsa":[{"id":"GHSA-f2q7-xh76-m34j","title":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is...","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2022-05-14T03:38:05Z","modified":"2025-04-11T04:17:52Z","cwes":["CWE-287"],"updated_at":"2026-11-02T15:01:15.391359Z"}],"nvd":[{"id":"CVE-2013-6171","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2013-12-09T16:36:47.097Z","modified":"2026-06-17T00:00:06.34Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:44.596064Z"}],"osv":[{"id":"CVE-2013-6171","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2013-12-09T16:36:47Z","modified":"2026-04-10T03:43:05.36021Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2013-6171","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"published","published":"2013-12-09T16:36:47.097Z","modified":"2026-09-01T20:03:18.643024682Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"UBUNTU-CVE-2013-6171","description":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","status":"withdrawn","published":"2013-12-09T00:00:00Z","modified":"2026-02-04T04:06:48.93711Z","updated_at":"2026-11-02T15:54:07.421078Z"}]}}