{"id":"CVE-2017-1000071","details":"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.","modified":"2026-07-08T10:54:22.193461Z","published":"2017-07-17T13:18:18.267Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99609"},{"type":"ADVISORY","url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog"},{"type":"ADVISORY","url":"https://github.com/Jasig/phpCAS/issues/228"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apereo/phpcas","events":[{"introduced":"8c74d21630f74278270830fdbdb0c1317bce3f0a"},{"last_affected":"8c74d21630f74278270830fdbdb0c1317bce3f0a"}],"database_specific":{"cpe":"cpe:2.3:a:apereo:phpcas:1.3.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.3.4"},{"last_affected":"1.3.4"}],"source":"CPE_STRING"}}],"versions":["1.3.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000071.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}