{"id":"CVE-2020-14321","aliases":["BIT-moodle-2020-14321","GHSA-9q29-jcjw-fw7h"],"url":"https://o3.security/vulnerability/CVE-2020-14321","summary":"Moodle Incorrect Authorization vulnerability","details":"In Moodle before 3.9.1, 3.8.4, 3.7.7 and 3.5.13, teachers of a course were able to assign themselves the manager role within that course.","published":"2022-08-16T21:15:09.447Z","modified":"2026-07-08T22:14:28.892804Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.16243,"percentile":0.96778,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":5,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.9.1"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.8.4"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.7.7"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.5.13"}],"fix":{"url":"https://github.com/moodle/moodle/commit/d07fb8b9e8bf47fe60ad2aea553329bd1fb96e37","label":"moodle/moodle@d07fb8b"},"references":[{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=407393"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14321"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/d07fb8b9e8bf47fe60ad2aea553329bd1fb96e37"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:14:28.892804Z"}}