{"id":"CVE-2021-3155","details":"snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1","modified":"2026-04-10T04:32:30.857931Z","published":"2022-02-17T23:15:07.337Z","references":[{"type":"FIX","url":"https://github.com/snapcore/snapd/commit/6bcaeeccd16ed8298a301dd92f6907f88c24cc85"},{"type":"FIX","url":"https://github.com/snapcore/snapd/commit/7d2a966620002149891446a53cf114804808dcca"},{"type":"FIX","url":"https://ubuntu.com/security/notices/USN-5292-1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/canonical/snapd","events":[{"introduced":"0"},{"fixed":"6bcaeeccd16ed8298a301dd92f6907f88c24cc85"},{"fixed":"7d2a966620002149891446a53cf114804808dcca"}]},{"type":"GIT","repo":"https://github.com/snapcore/snapd","events":[{"introduced":"0"},{"fixed":"c80b318bb4723ef43591afc95bd6d1ceeecba937"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.54.3"}]}}],"versions":["1.0-0ubuntu1","1.0.1-0ubuntu1","1.1-0ubuntu1","1.1.1-0ubuntu1","1.1.2-0ubuntu1","1.2-0ubuntu1","1.3ubuntu1","1.4ubuntu1","1.5ubuntu1","1.6ubuntu1","1.7.2+20160113ubuntu1","1.7.2+20160204ubuntu1","1.7.2+20160223ubuntu1","1.7.2ubuntu1","1.7.3+20160225ubuntu1","1.7.3+20160303ubuntu1","1.7.3+20160303ubuntu2","1.7.3+20160303ubuntu3","1.7.3+20160303ubuntu4","1.7.3+20160308ubuntu1","1.7.3+20160310ubuntu1","1.7ubuntu1","1.9","1.9.1","1.9.2","1.9.3","1.9.4","2.0","2.0.10","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.11","2.12","2.13","2.14","2.14.1","2.14.2.16.04","2.15","2.15.2","2.54","2.54.1","2.54.2","ppa","untagged-ec50ee5bfb45daefc236"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"21.10"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3155.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}