Auth bypass in GitLab
CVE-2023-5612
An issue has been discovered in GitLab affecting all versions before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. It was possible to read the user email address via tags feed although the visibility in the user profile has been disabled.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.049 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- GitLab — versions 16.8.0, 16.8, 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-re… (Vendor Advisory)
- GitLab Issue #428441 (issue-tracking, permissions-required, Broken Link)
- HackerOne Bug Bounty Report #2208790 (Permissions Required, technical-description, permissions-required, exploit, broken-link)
Frequently asked questions
- What is CVE-2023-5612?
- CVE-2023-5612 is a medium-severity vulnerability in GitLab, classified under Missing Authorization. CVSS score: 5.3/10. Published 2024-01-26.
- How severe is CVE-2023-5612?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-5612 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.