{"id":"CVE-2021-36397","aliases":["BIT-moodle-2021-36397","GHSA-2wmj-8mqg-r9q8"],"url":"https://o3.security/vulnerability/CVE-2021-36397","summary":"Moodle has Incorrect Default Permissions","details":"In Moodle, insufficient capability checks meant message deletions were not limited to the current user.","published":"2023-03-06T22:15:09.357Z","modified":"2026-07-09T05:14:10.268261Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.11.1"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.10.5"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.9.8"}],"fix":null,"references":[{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=424803"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36397"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T05:14:10.268261Z"}}