Auth bypass in GitLab
CVE-2020-13277
An authorization issue in the mirroring logic allowed read access to private repositories in GitLab CE/EE 10.6 and later through 13.0.5
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- GitLab — versions >=10.6, <12.9.10, >=12.10, <12.10.11, >=13.0, <13.0.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/gitlab-org/gitlab/-/issues/220972 (Broken Link)
- hackerone.com/reports/894569 (Permissions Required)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13277.json (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13277?
- CVE-2020-13277 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2020-06-19.
- How severe is CVE-2020-13277?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2020-13277 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.