It was possible to bypass 2FA for LDAP users and access some specific pages with Basic Authentication in GitLab 14.1.1 and above.
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json
Source: Mitre, NVD
Published: 2021-12-06
Updated: 2021-12-07
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical