Vulnerability in GitLab
CVE-2021-39931
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (56.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% 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 >=8.11, <14.3.6, >=14.4, <14.4.4, >=14.5, <14.5.2
References
- gitlab.com/gitlab-org/gitlab/-/issues/340445 (Broken Link)
- hackerone.com/reports/1318379 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39931.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39931?
- CVE-2021-39931 is a low-severity vulnerability in GitLab. CVSS score: 3.1/10. Published 2021-12-13.
- How severe is CVE-2021-39931?
- Low severity. CVSS v3 base score is 3.1 out of 10.