{"id":"CVE-2016-3733","aliases":["EUVD-2022-3998","GHSA-gr8j-qm8r-rfgg","UBUNTU-CVE-2016-3733"],"status":"published","title":"Moodle Improper Access Control","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01171,"percentile":0.67642,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2017-04-20T21:00:00Z","modified":"2026-10-24T10:30:38Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["2.7.14","2.8.12","2.9.6","3.0.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7"},{"fixed":"2.7.14"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"2.8.12"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.9"},{"fixed":"2.9.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0"},{"fixed":"3.0.4"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7"},{"fixed":"2.7.14"}]}],"versions":["v2.7.0","v2.7.0-beta","v2.7.0-rc1","v2.7.0-rc2","v2.7.1","v2.7.10","v2.7.11","v2.7.12","v2.7.13","v2.7.2","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"2.8.12"}]}],"versions":["v2.8.0","v2.8.0-beta","v2.8.0-rc1","v2.8.0-rc2","v2.8.1","v2.8.10","v2.8.11","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.9"},{"fixed":"2.9.6"}]}],"versions":["v2.9.0","v2.9.0-beta","v2.9.0-rc1","v2.9.0-rc2","v2.9.1","v2.9.2","v2.9.3","v2.9.4","v2.9.5"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0"},{"fixed":"3.0.4"}]}],"versions":["v3.0.0","v3.0.0-beta","v3.0.0-rc1","v3.0.0-rc2","v3.0.0-rc3","v3.0.0-rc4","v3.0.1","v3.0.2","v3.0.3"]}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/05/17/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-51369","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1335933","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"http://www.securitytracker.com/id/1035902","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3733","tags":["advisory"]},{"url":"https://github.com/moodle/moodle/commit/12c28574868d6f6e5c57fb63298c82cb8bdd0bb6","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/24b0c3c86ae96e46b87d6e9d6bcf4a6014dae8f0","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/2950f9fb9128f9ae48e00b864da90be76c2bf139","tags":["web"]},{"url":"https://github.com/moodle/moodle/commit/3c9d2b104023a8b9fdc5f4d7e136083babd2609a","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gr8j-qm8r-rfgg"},{"url":"https://ubuntu.com/security/CVE-2016-3733","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-3733","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-3733","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2017-04-20T21:00:00Z","modified":"2024-08-06T00:03:34.416Z","updated_at":"2026-11-02T14:33:33.758954Z"}],"euvd":[{"id":"EUVD-2022-3998","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2017-04-20T21:00:00Z","modified":"2024-08-06T00:03:34Z","updated_at":"2026-11-03T02:22:49.109782Z"}],"ghsa":[{"id":"GHSA-gr8j-qm8r-rfgg","title":"Moodle Improper Access Control","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2022-05-13T01:12:38Z","modified":"2024-02-04T05:06:59Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:37:35.293818Z"}],"nvd":[{"id":"CVE-2016-3733","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2017-04-20T21:59:00.843Z","modified":"2026-06-17T00:46:16.68Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:37.619685Z"}],"osv":[{"id":"CVE-2016-3733","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2017-04-20T21:59:00.843Z","modified":"2026-10-24T10:30:38.254221412Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"GHSA-gr8j-qm8r-rfgg","title":"Moodle Improper Access Control","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"published","published":"2022-05-13T01:12:38Z","modified":"2024-02-16T08:10:22.201702Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"UBUNTU-CVE-2016-3733","description":"The \"restore teacher\" feature in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to overwrite the course idnumber.","status":"withdrawn","published":"2017-04-20T21:59:00Z","modified":"2025-07-16T08:12:11.722279Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:11.872222Z"}]}}