{"id":"CVE-2010-4764","aliases":["DEBIAN-CVE-2010-4764","EUVD-2010-4729","GHSA-6gv9-qq2x-7jw6"],"status":"published","title":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings...","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01466,"percentile":0.7385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-255"],"published":"2011-03-18T16:00:00Z","modified":"2026-08-15T06:47:44Z","fixes":[{"ecosystem":"Debian:11","package":"otrs2","fixed_in":["2.4.10+dfsg1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:11","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.10+dfsg1-1"}]}],"versions":["2.0.4p01-10","2.0.4p01-11","2.0.4p01-12","2.0.4p01-13","2.0.4p01-14","2.0.4p01-14.1","2.0.4p01-15","2.0.4p01-16","2.0.4p01-17","2.0.4p01-18","2.0.4p01-6","2.0.4p01-7","2.0.4p01-8","2.0.4p01-9","2.0.99beta1-1","2.0.99beta1-2","2.1.1-1","2.1.3-1","2.1.4-1","2.1.4-2","2.1.5-1","2.1.5-2","2.1.5-3","2.1.6-1","2.1.7-1","2.1.7-2","2.2.0~beta2-1","2.2.0~beta3-1","2.2.1-1","2.2.2-1","2.2.3-1","2.2.4-1","2.2.5-1","2.2.5-2","2.2.6-1","2.2.7-1","2.2.7-2","2.2.7-2lenny1","2.2.7-2lenny2","2.2.7-2lenny3","2.2.7-3","2.3.2-1","2.3.2-2","2.3.3-1","2.3.4-1","2.3.4-2","2.3.4-3","2.3.4-4","2.3.4-5","2.3.4-6","2.3.4-7","2.4.5-1","2.4.5-2","2.4.5-3","2.4.5-4","2.4.5-5","2.4.6-1","2.4.6-2","2.4.7+dfsg1-1","2.4.7-1","2.4.7-2","2.4.7-3","2.4.7-4","2.4.7-5","2.4.7-6","2.4.8+dfsg1-1","2.4.9+dfsg1-1","2.4.9+dfsg1-2","2.4.9+dfsg1-3","2.4.9+dfsg1-3+squeeze1","2.4.9+dfsg1-3+squeeze3","2.4.9+dfsg1-3+squeeze4","2.4.9+dfsg1-3+squeeze5","2.4.9+dfsg1-4","2.4.9+dfsg1-5"]}],"products":[{"vendor":"otrs","product":"otrs"}],"references":[{"url":"http://bugs.otrs.org/show_bug.cgi?id=6131","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4764"},{"url":"https://github.com/advisories/GHSA-6gv9-qq2x-7jw6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4764","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-4764","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2011-03-18T16:00:00Z","modified":"2024-09-16T17:58:06.537Z","updated_at":"2026-11-02T14:33:28.115387Z"}],"euvd":[{"id":"EUVD-2010-4729","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2011-03-18T16:00:00Z","modified":"2024-09-16T17:58:06Z","updated_at":"2026-11-03T00:55:37.247006Z"}],"ghsa":[{"id":"GHSA-6gv9-qq2x-7jw6","title":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings...","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2022-05-17T05:42:52Z","modified":"2023-01-28T05:04:48Z","updated_at":"2026-11-02T14:44:14.607752Z"}],"nvd":[{"id":"CVE-2010-4764","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2011-03-18T16:55:01.64Z","modified":"2026-06-16T23:25:30.113Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:02:03.297831Z"}],"osv":[{"id":"CVE-2010-4764","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2011-03-18T16:55:01Z","modified":"2026-04-10T03:41:33.136114Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-4764","description":"Open Ticket Request System (OTRS) before 2.4.10, and 3.x before 3.0.3, does not present warnings about incoming encrypted e-mail messages that were based on revoked PGP or GPG keys, which makes it easier for remote attackers to spoof e-mail communication by leveraging a key that has a revocation signature.","status":"published","published":"2011-03-18T16:55:01.64Z","modified":"2026-08-15T06:47:44.012957709Z","updated_at":"2026-11-02T15:45:24.316685Z"}]}}