Auth bypass in Gitlab
CVE-2020-13270
Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API
Vulnerability class: Broken Access Control
EPSS: 0.014 (69.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gitlab — versions >=11.3, <12.9.8, >=12.10, <12.10.7, >=13.0, <13.0.1
Weakness classification (CWE)
References
- cve@gitlab.com (x_refsource_MISC, Broken Link, Vendor Advisory)
- cve@gitlab.com (Permissions Required, Third Party Advisory, x_refsource_MISC)
- cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-13270?
- CVE-2020-13270 is a high-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 7.5/10. Published 2020-06-10.
- How severe is CVE-2020-13270?
- High severity. CVSS v3 base score is 7.5 out of 10.