Auth bypass in GitLab
CVE-2023-3484
An issue has been discovered in GitLab EE affecting all versions starting from 12.8 before 15.11.11, all versions starting from 16.0 before 16.0.7, all versions starting from 16.1 before 16.1.2. An attacker could change the name or path of a public top-level group in certain situations.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GitLab — versions 12.8, 16.0, 16.1
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/416773 (issue-tracking, Broken Link)
- hackerone.com/reports/2035687 (Permissions Required, technical-description, permissions-required, exploit)
- about.gitlab.com/releases/2023/07/05/security-release-gitlab-16-1-2-released/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-3484?
- CVE-2023-3484 is a high-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 8.0/10. Published 2023-07-21.
- How severe is CVE-2023-3484?
- High severity. CVSS v3 base score is 8.0 out of 10.