{"id":"CVE-2017-16634","details":"In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.","modified":"2026-07-08T15:10:49.569890Z","published":"2017-11-10T02:29:18.997Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/101701"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039757"},{"type":"FIX","url":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/joomla/joomla-cms","events":[{"introduced":"acb7a6384561a8d5917fa9854c85f52cddec9550"},{"last_affected":"20e0335f2c02ac2e34a7e5a3180ab523a43137a9"}],"database_specific":{"cpe":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.2.0"},{"last_affected":"3.8.1"}],"source":"CPE_RANGE"}}],"versions":["3.8.1","3.8.0","3.8.1-rc","3.8.0-rc1","3.8.0-beta2","3.8.0-beta4","3.8.0-beta1","3.8.0-beta3","3.7.4-rc1","3.7.4-beta1","3.7.3","3.7.3-rc2","3.7.3-rc1","3.7.3-beta1","3.7.2","3.7.1","3.7.1-rc2","3.7.1-rc1","3.7.0","3.7.0-rc4","3.7.0-rc3","3.7.0-rc2","3.7.0-rc1","3.7.0-beta4","3.7.0-beta3","3.7.0-beta2","3.7.0-beta1","3.7.0-alpha1","3.6.3","3.6.3-rc3","3.6.3-rc2","3.6.3-rc1","3.6.2","3.6.1","3.6.1-rc2","3.6.1-rc1","3.6.0","3.6.0-rc2","3.6.0-rc","3.6.0-beta2","3.6.0-beta1","3.6.0-alpha","3.5.1","3.5.1-rc2","3.5.1-rc","3.5.0","3.5.0-rc4","3.5.0-rc2","3.5.0-rc","3.5.0-beta5","3.5.0-beta4","3.5.0-beta3","3.5.0-beta2","3.4.5","3.5.0-beta","3.4.4","3.4.4-rc2","3.4.4-rc","3.4.3","3.4.2","3.4.2-rc","3.4.1","3.4.1-rc2","3.4.1-rc","3.4.0","3.4.0-rc","3.4.0-beta3","3.4.0-beta2","3.4.0-beta1","3.2.4","3.3.0","3.2.3","3.2.2","3.2.1","3.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-16634.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}