{"id":"GHSA-5wg9-5w3f-hxmh","aliases":["CVE-2019-3849"],"title":"Moodle Users could elevate their role when accessing the LTI tool on a provider site","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"HIGH","description":"A vulnerability was found in moodle before versions 3.6.3, 3.5.5 and 3.4.8. Users could assign themselves an escalated role within courses or content accessed via LTI, by modifying the request to the LTI publisher site.","severity":"high","score":8.8,"published":"2022-05-13T01:14:32.000Z","modified":"2024-02-16T08:25:00.548Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"moodle/moodle","sources":[{"name":"OSV · GHSA-5wg9-5w3f-hxmh","url":"https://osv.dev/vulnerability/GHSA-5wg9-5w3f-hxmh"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"3.4.8"}],"type":"ECOSYSTEM"}],"versions":["v2.3.10","v2.3.11","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9","v2.4.0","v2.4.0-rc1","v2.4.1","v2.4.10","v2.4.11","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.0-beta","v2.5.0-rc1","v2.5.1","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.5.8","v2.5.9","v2.6.0","v2.6.0-beta","v2.6.0-rc1","v2.6.1","v2.6.10","v2.6.11","v2.6.2","v2.6.3","v2.6.4","v2.6.5","v2.6.6","v2.6.7","v2.6.8","v2.6.9","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","v2.7.14","v2.7.15","v2.7.16","v2.7.17","v2.7.18","v2.7.19","v2.7.2","v2.7.20","v2.7.3","v2.7.4","v2.7.5","v2.7.6","v2.7.7","v2.7.8","v2.7.9","v2.8.0","v2.8.0-beta","v2.8.0-rc1","v2.8.0-rc2","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9","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","v2.9.6","v2.9.7","v2.9.8","v2.9.9","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","v3.0.10","v3.0.2","v3.0.3","v3.0.4","v3.0.5","v3.0.6","v3.0.7","v3.0.8","v3.0.9","v3.1.0","v3.1.0-beta","v3.1.0-rc1","v3.1.0-rc2","v3.1.1","v3.1.10","v3.1.11","v3.1.12","v3.1.13","v3.1.14","v3.1.15","v3.1.16","v3.1.17","v3.1.18","v3.1.2","v3.1.3","v3.1.4","v3.1.5","v3.1.6","v3.1.7","v3.1.8","v3.1.9","v3.2.0","v3.2.0-beta","v3.2.0-rc1","v3.2.0-rc2","v3.2.0-rc3","v3.2.0-rc4","v3.2.0-rc5","v3.2.1","v3.2.2","v3.2.3","v3.2.4","v3.2.5","v3.2.6","v3.2.7","v3.2.8","v3.2.9","v3.3.0","v3.3.0-beta","v3.3.0-rc1","v3.3.0-rc2","v3.3.0-rc3","v3.3.1","v3.3.2","v3.3.3","v3.3.4","v3.3.5","v3.3.6","v3.3.7","v3.3.8","v3.3.9","v3.4.0","v3.4.0-beta","v3.4.0-rc1","v3.4.0-rc2","v3.4.0-rc3","v3.4.1","v3.4.2","v3.4.3","v3.4.4","v3.4.5","v3.4.6","v3.4.7"],"fixed":["3.4.8"]},{"ecosystem":"Packagist","name":"moodle/moodle","sources":[{"name":"OSV · GHSA-5wg9-5w3f-hxmh","url":"https://osv.dev/vulnerability/GHSA-5wg9-5w3f-hxmh"}],"ranges":[{"events":[{"introduced":"3.5"},{"fixed":"3.5.5"}],"type":"ECOSYSTEM"}],"versions":["v3.5.0","v3.5.0-beta","v3.5.0-rc1","v3.5.1","v3.5.2","v3.5.3","v3.5.4"],"fixed":["3.5.5"]},{"ecosystem":"Packagist","name":"moodle/moodle","sources":[{"name":"OSV · GHSA-5wg9-5w3f-hxmh","url":"https://osv.dev/vulnerability/GHSA-5wg9-5w3f-hxmh"}],"ranges":[{"events":[{"introduced":"3.6"},{"fixed":"3.6.3"}],"type":"ECOSYSTEM"}],"versions":["v3.6.0","v3.6.0-beta","v3.6.0-rc1","v3.6.0-rc2","v3.6.0-rc3","v3.6.1","v3.6.2"],"fixed":["3.6.3"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2019-3849","https://github.com/moodle/moodle/commit/427463a52574e4b3bcbe1c65c49066438770641e","https://github.com/moodle/moodle/commit/430f685834cef190bdf58afabe79e765d596890d","https://github.com/moodle/moodle/commit/723d1a747555b795ed53a0fad01da455797bb78f","https://github.com/moodle/moodle/commit/898d5d05a0c3ae6795db0241bf3cb5951213d45c","https://github.com/moodle/moodle/commit/b77dcd23d8e39265b5c096f0d947764c02d832c8","https://github.com/moodle/moodle/commit/cd3060d941a051931eb2613b25bafb0108665895","https://github.com/moodle/moodle/commit/fba7dcd90abd45210d782a79c6e25bb3840c7438","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3849","https://github.com/moodle/moodle","https://moodle.org/mod/forum/discuss.php?d=384012#p1547744"],"sources":[{"name":"OSV","id":"GHSA-5wg9-5w3f-hxmh","modified":"2024-02-16T08:25:00.548328Z","url":"https://osv.dev/vulnerability/GHSA-5wg9-5w3f-hxmh"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T17:10:31.931Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}