Auth bypass in Gitlab
CVE-2021-39945
Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked
Vulnerability class: Broken Access Control
EPSS: 0.009 (56.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Gitlab — versions >=14.5, <14.5.2, >=14.4, <14.4.4, >=9.4, <14.3.6
Weakness classification (CWE)
References
- cve@gitlab.com (x_refsource_MISC, Broken Link)
- cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
- cve@gitlab.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39945?
- CVE-2021-39945 is a low-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 2.7/10. Published 2021-12-13.
- How severe is CVE-2021-39945?
- Low severity. CVSS v3 base score is 2.7 out of 10.