Auth bypass in GitLab
CVE-2023-3509
An issue has been discovered in GitLab affecting all versions before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for group members with sub-maintainer role to change the title of privately accessible deploy keys associated with projects in the group.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- GitLab — versions 16.9, 16.9.0, 16.8
Weakness classification (CWE)
References
- GitLab Issue #416945 (Permissions Required, issue-tracking, Broken Link)
- HackerOne Bug Bounty Report #2037814 (Permissions Required, technical-description, permissions-required, exploit, broken-link)
Frequently asked questions
- What is CVE-2023-3509?
- CVE-2023-3509 is a low-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 3.7/10. Published 2024-02-21.
- How severe is CVE-2023-3509?
- Low severity. CVSS v3 base score is 3.7 out of 10.