{"id":"CVE-2014-4172","aliases":["DEBIAN-CVE-2014-4172","DSA-3017-1","EUVD-2022-3362","GHSA-9fc5-q25c-r2wr","MGASA-2014-0387","UBUNTU-CVE-2014-4172"],"status":"published","title":"Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06057,"percentile":0.93427,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2014-09-02T00:00:00Z","modified":"2026-10-23T16:02:20Z","fixes":[{"ecosystem":"NuGet","package":"DotNetCasClient","fixed_in":["1.0.2"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.jasig.cas:cas-client","fixed_in":["3.3.2"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"jasig/phpcas","fixed_in":["1.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"php-cas","fixed_in":["1.3.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"php-cas","fixed_in":["1.3.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"php-cas","fixed_in":["1.3.3-1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"php-cas","fixed_in":["1.3.1-4+deb7u1"],"sources":["osv"]},{"ecosystem":"Mageia:3","package":"php-pear-CAS","fixed_in":["1.3.3-1.mga3"],"sources":["osv"]},{"ecosystem":"Mageia:4","package":"php-pear-CAS","fixed_in":["1.3.3-1.mga4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"DotNetCasClient","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.jasig.cas:cas-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"jasig/phpcas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-4+deb7u1"}]}],"versions":["1.3.1-4"]},{"source":"osv","ecosystem":"NuGet","package":"DotNetCasClient","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2"}]}],"versions":["1.0.0","1.0.1"]},{"source":"osv","ecosystem":"Maven","package":"org.jasig.cas:cas-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.2"}]}],"versions":["3.0","3.0-rc1","3.0-rc2","3.1","3.1-M1","3.1-RC1","3.1-RC2","3.1-RC3","3.1.1","3.1.10","3.1.2","3.1.3","3.1.3-rc1","3.1.3-rc2","3.1.3-rc3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"]},{"source":"osv","ecosystem":"Packagist","package":"jasig/phpcas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3"}]}]},{"source":"osv","ecosystem":"Mageia:3","package":"php-pear-CAS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1.mga3"}]}]},{"source":"osv","ecosystem":"Mageia:4","package":"php-pear-CAS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1.mga4"}]}]}],"products":[{"vendor":"apereo","product":".net_cas_client"},{"vendor":"apereo","product":"java_cas_client"},{"vendor":"apereo","product":"phpcas"},{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1131350","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","advisory","report","web"]},{"url":"https://www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix","web"]},{"url":"https://github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix","web"]},{"url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/Jasig/phpCAS/pull/125","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web","report"]},{"url":"https://issues.jasig.org/browse/CASC-228","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://www.debian.org/security/2014/dsa-3017.en.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/95673","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4172","tags":["advisory"]},{"url":"https://www.mail-archive.com/cas-user@lists.jasig.org/msg17338.html","tags":["web"]},{"url":"https://github.com/apereo/java-cas-client/commit/266eba7c2d870d70caba6f41576d19f2fcc869b1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9fc5-q25c-r2wr"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-4172","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2014-0387.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=14139","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4172","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-4172","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2014-4172","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2020-01-24T18:29:32Z","modified":"2024-08-06T11:04:28.882Z","updated_at":"2026-11-02T14:33:45.604635Z"}],"euvd":[{"id":"EUVD-2022-3362","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2020-01-24T18:29:32Z","modified":"2024-08-06T11:04:28Z","updated_at":"2026-11-03T01:57:07.897691Z"}],"ghsa":[{"id":"GHSA-9fc5-q25c-r2wr","title":"Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2022-05-17T19:57:18Z","modified":"2024-04-12T21:53:27Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:37:43.62603Z"}],"nvd":[{"id":"CVE-2014-4172","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2020-01-24T19:15:12.01Z","modified":"2026-06-17T00:09:32.707Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:02:59.461996Z"}],"osv":[{"id":"CVE-2014-4172","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2020-01-24T19:15:12Z","modified":"2026-04-16T06:25:58.177033145Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:43:59.654289Z"},{"id":"DEBIAN-CVE-2014-4172","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2020-01-24T19:15:12.01Z","modified":"2026-10-23T16:02:20.622385279Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:26.134753Z"},{"id":"GHSA-9fc5-q25c-r2wr","title":"Jasig Java CAS Client, .NET CAS Client, and phpCAS contain URL parameter injection vulnerability","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"published","published":"2022-05-17T19:57:18Z","modified":"2024-04-12T22:01:27.708442Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:43.524801Z"},{"id":"UBUNTU-CVE-2014-4172","description":"A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.","status":"withdrawn","published":"2020-01-24T19:15:00Z","modified":"2025-07-16T07:32:01.912256Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:09.010095Z"},{"id":"DSA-3017-1","title":"php-cas - security update","status":"published","published":"2014-09-02T00:00:00Z","modified":"2026-03-09T01:18:47.016646Z","updated_at":"2026-11-02T15:46:15.843838Z"},{"id":"MGASA-2014-0387","title":"Updated php-pear-CAS packages fix CVE-2014-4172","description":"Updated php-pear-CAS packages fix security vulnerabilities:\n\nA flaw in php-pear-CAS before 1.3.3, utilized by Moodle, has been found which\ncould potentially allow unauthorised access and privilege escalation\n(CVE-2014-4172).\n","status":"published","published":"2014-09-24T16:44:28Z","modified":"2026-04-16T06:25:30.913654966Z","updated_at":"2026-11-02T15:49:39.488462Z"}]}}