Privilege escalation in GitLab
CVE-2021-39944
An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A permissions validation flaw allowed group members with a developer role to elevate their privilege to a maintainer on projects they import
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- GitLab — versions >=11.0, <14.3.6, >=14.4, <14.4.4, >=14.5, <14.5.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/336531 (Broken Link)
- hackerone.com/reports/1256017 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39944.json (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39944?
- CVE-2021-39944 is a high-severity vulnerability in GitLab, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2021-12-13.
- How severe is CVE-2021-39944?
- High severity. CVSS v3 base score is 7.1 out of 10.