{"id":"CVE-2018-1082","aliases":["EUVD-2022-4977","GHSA-qh8m-6g4p-33h3","UBUNTU-CVE-2018-1082"],"status":"published","title":"Moodle Improper Authentication","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01995,"percentile":0.80836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-287"],"published":"2018-04-04T21:00:00Z","modified":"2026-10-24T10:30:41Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["3.3.5","3.4.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3"},{"fixed":"3.3.5"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4"},{"fixed":"3.4.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.3"},{"fixed":"3.3.5"}]}],"versions":["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"]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4"},{"fixed":"3.4.2"}]}],"versions":["v3.4.0","v3.4.0-beta","v3.4.0-rc1","v3.4.0-rc2","v3.4.0-rc3","v3.4.1"]},{"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":"moodle","product":"moodle"},{"vendor":"red hat, inc.","product":"moodle"}],"references":[{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-60101","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web"]},{"url":"http://www.securityfocus.com/bid/103725","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=367939","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1082","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qh8m-6g4p-33h3"},{"url":"https://github.com/moodle/moodle","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2018-1082","tags":["report"]},{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-60101,","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-1082","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-1082","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2018-04-04T21:00:00Z","modified":"2024-09-16T16:43:01.54Z","cwes":["CWE-285"],"updated_at":"2026-11-02T14:35:08.701206Z"}],"euvd":[{"id":"EUVD-2022-4977","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2018-04-04T21:00:00Z","modified":"2024-09-16T16:43:01Z","updated_at":"2026-11-03T00:55:49.07001Z"}],"ghsa":[{"id":"GHSA-qh8m-6g4p-33h3","title":"Moodle Improper Authentication","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2022-05-13T01:33:33Z","modified":"2024-04-23T23:41:39Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:44.867253Z"}],"nvd":[{"id":"CVE-2018-1082","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2018-04-04T21:29:00.29Z","modified":"2026-06-17T01:50:26.37Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-285","CWE-287"],"updated_at":"2026-11-02T14:04:24.700429Z"}],"osv":[{"id":"CVE-2018-1082","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2018-04-04T21:29:00.29Z","modified":"2026-10-24T10:30:41.365658592Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"GHSA-qh8m-6g4p-33h3","title":"Moodle Improper Authentication","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2022-05-13T01:33:33Z","modified":"2024-04-24T00:11:48.754995Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:54.40888Z"},{"id":"UBUNTU-CVE-2018-1082","description":"A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.","status":"published","published":"2018-04-04T21:29:00Z","modified":"2026-09-23T18:45:56.364790571Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"}]}}