{"id":"UBUNTU-CVE-2019-3820","details":"It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.","modified":"2026-02-04T02:43:35.835134Z","published":"2019-02-06T00:00:00Z","related":["USN-3966-1","USN-7052-1"],"upstream":["CVE-2019-3820"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3820"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3966-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-3820"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7052-1"}],"affected":[{"package":{"name":"gnome-shell","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/gnome-shell@3.18.5-0ubuntu0.3+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.18.5-0ubuntu0.3+esm1"}]}],"versions":["3.16.4-0ubuntu1","3.18.1-1ubuntu1","3.18.2-0ubuntu1","3.18.2-0ubuntu2","3.18.3-3ubuntu1","3.18.4-0ubuntu1","3.18.4-0ubuntu2","3.18.4-0ubuntu3","3.18.5-0ubuntu0.1","3.18.5-0ubuntu0.2","3.18.5-0ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_version":"3.18.5-0ubuntu0.3+esm1","binary_name":"gnome-shell"},{"binary_version":"3.18.5-0ubuntu0.3+esm1","binary_name":"gnome-shell-common"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3820.json"}},{"package":{"name":"gnome-shell","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnome-shell@3.28.3+git20190124-0ubuntu18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.28.3+git20190124-0ubuntu18.04.2"}]}],"versions":["3.26.1-0ubuntu4","3.26.1-0ubuntu5","3.26.1-0ubuntu6","3.26.2-0ubuntu1","3.26.2-0ubuntu2","3.26.2-0ubuntu3","3.27.91-0ubuntu1","3.27.92-0ubuntu1","3.28.0-0ubuntu1","3.28.0-0ubuntu2","3.28.0-0ubuntu3","3.28.0-0ubuntu4","3.28.0-0ubuntu5","3.28.1-0ubuntu1","3.28.1-0ubuntu2","3.28.2-0ubuntu0.18.04.1","3.28.3-0ubuntu0.18.04.2","3.28.3-0ubuntu0.18.04.3","3.28.3-0ubuntu0.18.04.4","3.28.3+git20190124-0ubuntu18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.28.3+git20190124-0ubuntu18.04.2","binary_name":"gnome-shell"},{"binary_version":"3.28.3+git20190124-0ubuntu18.04.2","binary_name":"gnome-shell-common"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3820.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}