{"id":"CVE-2017-1000071","aliases":["DEBIAN-CVE-2017-1000071","EUVD-2017-1388","GHSA-fwrj-8jg7-7jr6","UBUNTU-CVE-2017-1000071"],"status":"published","title":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20...","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03542,"percentile":0.89371,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2017-07-13T20:00:00Z","modified":"2026-10-24T10:49:27Z","fixes":[{"ecosystem":"Debian:12","package":"php-cas","fixed_in":["1.3.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"php-cas","fixed_in":["1.3.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"php-cas","fixed_in":["1.3.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.3.3-2","1.3.3-2ubuntu1","1.3.3-2ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"php-cas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-4"]}],"products":[{"vendor":"apereo","product":"phpcas"}],"references":[{"url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"http://www.securityfocus.com/bid/99609","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://github.com/Jasig/phpCAS/issues/228","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000071"},{"url":"https://github.com/advisories/GHSA-fwrj-8jg7-7jr6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-1000071","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-1000071","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-1000071","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-13T20:00:00Z","modified":"2024-08-05T21:53:06.255Z","updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2017-1388","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-13T20:00:00Z","modified":"2024-08-05T21:53:06Z","updated_at":"2026-11-03T02:23:04.143753Z"}],"ghsa":[{"id":"GHSA-fwrj-8jg7-7jr6","title":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20...","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2022-05-13T01:40:55Z","modified":"2023-02-02T05:00:36Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:51:00.211794Z"}],"nvd":[{"id":"CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-17T13:18:18.267Z","modified":"2026-06-17T00:58:41.133Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:54.012105Z"}],"osv":[{"id":"CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-17T13:18:18.267Z","modified":"2026-10-24T10:49:27.282649505Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"DEBIAN-CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-17T13:18:18.267Z","modified":"2026-09-01T20:03:40.334727307Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:28.207321Z"},{"id":"UBUNTU-CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","status":"published","published":"2017-07-17T13:18:00Z","modified":"2025-10-24T04:46:41Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:13.729565Z"}]}}