{"id":"UBUNTU-CVE-2020-13300","details":"GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.","modified":"2025-10-24T04:48:30Z","published":"2020-09-14T19:15:00Z","upstream":["CVE-2020-13300"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-13300"},{"type":"REPORT","url":"https://about.gitlab.com/releases/2020/09/02/security-release-gitlab-13-3-3-released/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-13300"}],"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"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"],"ecosystem_specific":{"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/2020/UBUNTU-CVE-2020-13300.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}