{"id":"CVE-2009-5055","aliases":["DEBIAN-CVE-2009-5055","EUVD-2009-5011","GHSA-mc47-5crj-3q7q"],"status":"published","title":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit...","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","severity":{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00896,"percentile":0.59803,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2011-03-18T16:00:00Z","modified":"2026-08-31T06:47:31Z","fixes":[{"ecosystem":"Debian:11","package":"otrs2","fixed_in":["2.4.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:11","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.5-1"}]}],"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"]}],"products":[{"vendor":"otrs","product":"otrs"}],"references":[{"url":"http://bugs.otrs.org/show_bug.cgi?id=4105","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","Exploit","Patch","evidence","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-5055"},{"url":"https://github.com/advisories/GHSA-mc47-5crj-3q7q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-5055","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-5055","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2011-03-18T16:00:00Z","modified":"2024-09-16T18:44:17.993Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-5011","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2011-03-18T16:00:00Z","modified":"2024-09-16T18:44:17Z","updated_at":"2026-11-03T00:55:29.674428Z"}],"ghsa":[{"id":"GHSA-mc47-5crj-3q7q","title":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit...","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2022-05-02T04:00:48Z","modified":"2023-01-31T05:08:24Z","updated_at":"2026-11-02T14:49:23.788915Z"}],"nvd":[{"id":"CVE-2009-5055","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2011-03-18T16:55:01.517Z","modified":"2026-06-16T23:14:54.633Z","cvss":[{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:38.684719Z"}],"osv":[{"id":"CVE-2009-5055","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2011-03-18T16:55:01Z","modified":"2026-04-10T03:41:04.535835Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-5055","description":"Open Ticket Request System (OTRS) before 2.4.4 grants ticket access on the basis of single-digit substrings of the CustomerID value, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by visiting a ticket, as demonstrated by leveraging the CustomerID 12 account to read tickets that should be available only to CustomerID 1 or CustomerID 2.","status":"published","published":"2011-03-18T16:55:01.517Z","modified":"2026-08-31T06:47:31.853976179Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}