{"id":"UBUNTU-CVE-2021-43177","details":"As a result of an incomplete fix for CVE-2015-7225, in versions of devise-two-factor prior to 4.0.2 it is possible to reuse a One-Time-Password (OTP) for one (and only one) immediately trailing interval. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)","modified":"2026-02-04T04:40:00.867975Z","published":"2022-04-11T20:15:00Z","related":["USN-7050-1"],"upstream":["CVE-2021-43177"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43177"},{"type":"REPORT","url":"https://github.com/tinfoil/devise-two-factor/security/advisories/GHSA-jm35-h8q2-73mp"},{"type":"REPORT","url":"https://github.com/tinfoil/devise-two-factor/pull/108"},{"type":"REPORT","url":"https://github.com/tinfoil/devise-two-factor/commit/64576bb9e7d29800c5f92bb86fb6ecff91ad6105"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-43177"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7050-1"}],"affected":[{"package":{"name":"ruby-devise-two-factor","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-devise-two-factor@2.0.0-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-1","2.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-devise-two-factor","binary_version":"2.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43177.json"}},{"package":{"name":"ruby-devise-two-factor","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-devise-two-factor@3.1.0-2ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-2ubuntu0.1~esm1"}]}],"versions":["3.0.3-2","3.1.0-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"ruby-devise-two-factor","binary_version":"3.1.0-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43177.json"}},{"package":{"name":"ruby-devise-two-factor","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-devise-two-factor@4.0.0-2ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-2ubuntu0.1~esm1"}]}],"versions":["3.1.0-2","4.0.0-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"4.0.0-2ubuntu0.1~esm1","binary_name":"ruby-devise-two-factor"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43177.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}