{"id":"UBUNTU-CVE-2019-3825","details":"A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.","modified":"2026-04-22T13:47:06.463797Z","published":"2019-02-06T00:00:00Z","related":["USN-3892-1"],"upstream":["CVE-2019-3825"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3825"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3892-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-3825"}],"affected":[{"package":{"name":"gdm3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gdm3@3.18.3-0ubuntu2.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18.0-2ubuntu1","3.18.0-2ubuntu2","3.18.0-2ubuntu3","3.18.0-2ubuntu4","3.18.2-1ubuntu1","3.18.2-1ubuntu2","3.18.3-0ubuntu1","3.18.3-0ubuntu2","3.18.3-0ubuntu2.1","3.18.3-0ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_name":"gdm","binary_version":"3.18.3-0ubuntu2.2"},{"binary_name":"gdm3","binary_version":"3.18.3-0ubuntu2.2"},{"binary_name":"gir1.2-gdm-1.0","binary_version":"3.18.3-0ubuntu2.2"},{"binary_name":"libgdm1","binary_version":"3.18.3-0ubuntu2.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3825.json"}},{"package":{"name":"gdm3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gdm3@3.28.3-0ubuntu18.04.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.3-0ubuntu18.04.4"}]}],"versions":["3.26.1-3ubuntu2","3.26.1-3ubuntu3","3.26.2.1-0ubuntu1","3.26.2.1-2ubuntu1","3.26.2.1-2ubuntu2","3.27.90-0ubuntu1","3.27.92-0ubuntu1","3.28.0-0ubuntu1","3.28.2-0ubuntu1.2","3.28.2-0ubuntu1.3","3.28.2-0ubuntu1.4","3.28.3-0ubuntu18.04.1","3.28.3-0ubuntu18.04.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gdm3","binary_version":"3.28.3-0ubuntu18.04.4"},{"binary_name":"gir1.2-gdm-1.0","binary_version":"3.28.3-0ubuntu18.04.4"},{"binary_name":"libgdm1","binary_version":"3.28.3-0ubuntu18.04.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3825.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}