{"id":"CVE-2019-5421","details":"Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent requests can prevent an attacker from being blocked on brute force attacks. This attack appear to be exploitable via Network connectivity - brute force attacks. This vulnerability appears to have been fixed in 4.6.0 and later.","aliases":["GHSA-73rf-6mrf-759q"],"modified":"2026-04-10T04:19:27.839800Z","published":"2019-04-03T15:29:01.663Z","references":[{"type":"REPORT","url":"https://github.com/plataformatec/devise/issues/4981"},{"type":"FIX","url":"https://github.com/plataformatec/devise/pull/4996"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/plataformatec/devise","events":[{"introduced":"0"},{"last_affected":"3b0bc08ec67dd073ddd6d043c71646c2784ced6c"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.5.0"}]}}],"versions":["v0.7.5","v0.8.0","v0.8.1","v0.8.2","v0.9.0","v0.9.1","v1.0.0","v1.0.1","v1.1.0","v1.1.pre","v1.1.pre2","v1.1.pre3","v1.1.pre4","v1.1.rc0","v1.1.rc1","v1.1.rc2","v1.2.0","v1.2.rc","v1.2.rc2","v1.3.0","v1.3.1","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.6","v1.4.7","v1.5.0","v1.5.0.rc","v1.5.0.rc1","v1.5.1","v2.0.0","v2.0.0.rc","v2.0.0.rc2","v2.0.1","v2.0.2","v2.0.3","v2.1.0","v2.1.0.rc","v2.1.0.rc2","v2.1.1","v2.1.2","v2.2.0","v2.2.0.rc","v2.2.1","v2.2.2","v2.2.3","v2.2.4","v3.0.0","v3.0.0.rc","v3.0.1","v3.1.0","v3.1.0.rc","v3.1.0.rc2","v3.2.0","v3.2.1","v3.2.2","v3.2.3","v3.2.4","v3.3.0","v3.4.0","v3.4.1","v3.5.0","v3.5.1","v3.5.2","v3.5.3","v4.0.0","v4.0.0.rc1","v4.0.0.rc2","v4.0.1","v4.1.0","v4.2.0","v4.2.1","v4.3.0","v4.4.0","v4.4.1","v4.4.2","v4.4.3","v4.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5421.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}