{"id":"BIT-moodle-2021-21809","details":"A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.","aliases":["CVE-2021-21809","GHSA-c7jj-vfmr-j9mj"],"modified":"2026-09-08T08:48:14.746260618Z","published":"2024-03-06T11:10:39.111Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:moodle:moodle:3.10.0:-:*:*:*:*:*:*","cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html"},{"type":"ADVISORY","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21809"}],"affected":[{"package":{"name":"moodle","ecosystem":"Bitnami","purl":"pkg:bitnami/moodle"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.10.0"},{"fixed":"3.10.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/moodle/BIT-moodle-2021-21809.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}