Auth bypass in GitLab
CVE-2018-17455
An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% 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 11.3.0
Weakness classification (CWE)
References
- about.gitlab.com/blog/categories/releases/ (Release Notes)
- about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-rel… (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-17455?
- CVE-2018-17455 is a high-severity vulnerability in GitLab, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2023-04-15.
- How severe is CVE-2018-17455?
- High severity. CVSS v3 base score is 7.5 out of 10.