{"id":"CVE-2019-14880","aliases":["EUVD-2022-5232","GHSA-rv62-6f56-j83w","UBUNTU-CVE-2019-14880"],"status":"published","title":"Moodle Oauth 2 Insufficiently Protects Against Compromise","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","severity":{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01106,"percentile":0.66043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2020-03-31T15:11:30Z","modified":"2026-10-24T10:30:20Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["3.7.3","3.6.7","3.5.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.7.0"},{"fixed":"3.7.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.6.0"},{"fixed":"3.6.7"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"3.5.9"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.7.0"},{"fixed":"3.7.3"}]}],"versions":["v3.7.0","v3.7.1","v3.7.2"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.6.0"},{"fixed":"3.6.7"}]}],"versions":["v3.6.0","v3.6.1","v3.6.2","v3.6.3","v3.6.4","v3.6.5","v3.6.6"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"3.5.9"}]}],"versions":["v3.5.0","v3.5.1","v3.5.2","v3.5.3","v3.5.4","v3.5.5","v3.5.6","v3.5.7","v3.5.8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.9+dfsg-1","2.7.10+dfsg-1","2.7.11+dfsg-1","2.7.11+dfsg-2","2.7.12+dfsg-1","3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]}],"products":[{"vendor":"[unknown]","product":"moodle"},{"vendor":"moodle","product":"moodle"}],"references":[{"url":"https://moodle.org/security/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14880","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rv62-6f56-j83w"},{"url":"https://github.com/moodle/moodle","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2019-14880","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-14880","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-14880","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2020-03-31T15:11:30Z","modified":"2024-08-05T00:26:39.16Z","cvss":[{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:20:18.085548Z"}],"euvd":[{"id":"EUVD-2022-5232","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2020-03-31T15:11:30Z","modified":"2024-08-05T00:26:39Z","cvss":[{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T02:40:38.166988Z"}],"ghsa":[{"id":"GHSA-rv62-6f56-j83w","title":"Moodle Oauth 2 Insufficiently Protects Against Compromise","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2022-05-24T17:12:57Z","modified":"2023-09-28T19:53:34Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:06.913882Z"}],"nvd":[{"id":"CVE-2019-14880","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2020-03-31T16:15:13.813Z","modified":"2026-06-17T02:19:13.963Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:46.451008Z"}],"osv":[{"id":"CVE-2019-14880","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2020-03-31T16:15:13.813Z","modified":"2026-10-24T10:30:20.853409662Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:44:11.361782Z"},{"id":"GHSA-rv62-6f56-j83w","title":"Moodle Oauth 2 Insufficiently Protects Against Compromise","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2022-05-24T17:12:57Z","modified":"2024-02-16T08:14:44.443144Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:56.281047Z"},{"id":"UBUNTU-CVE-2019-14880","description":"A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.","status":"published","published":"2020-03-31T16:15:00Z","modified":"2026-09-23T18:46:06.062568836Z","cvss":[{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:54:19.6877Z"}]}}