Privilege escalation in GitLab
CVE-2023-6477
An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.005 (42.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- GitLab — versions 16.9, 16.9.0, 16.8
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/433463 (Permissions Required, issue-tracking, permissions-required)
- hackerone.com/reports/2270898 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2023-6477?
- CVE-2023-6477 is a medium-severity vulnerability in GitLab, classified under Incorrect Privilege Assignment. CVSS score: 6.7/10. Published 2024-02-22.
- How severe is CVE-2023-6477?
- Medium severity. CVSS v3 base score is 6.7 out of 10.