{"id":"UBUNTU-CVE-2021-22171","details":"Insufficient validation of authentication parameters in GitLab Pages for GitLab 11.5+ allows an attacker to steal a victim's API token if they click on a maliciously crafted link","modified":"2025-07-16T08:15:30.692362Z","published":"2021-01-15T16:15:00Z","withdrawn":"2025-07-18T16:46:38Z","upstream":["CVE-2021-22171"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22171"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-22171"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.5.8+dfsg-5"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gitlab","binary_version":"8.5.8+dfsg-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-22171.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}