{"id":"CVE-2021-40693","aliases":["BIT-moodle-2021-40693","GHSA-2jxg-mv2m-j4r7"],"url":"https://o3.security/vulnerability/CVE-2021-40693","summary":"Moodle type juggling vulnerability","details":"An authentication bypass risk was identified in the external database authentication functionality, due to a type juggling vulnerability.","published":"2022-09-29T03:15:14.350Z","modified":"2026-07-09T01:07:23.197881Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.9.10"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.10.7"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.11.3"}],"fix":null,"references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2043417"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40693"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T01:07:23.197881Z"}}