Auth bypass in Gitlab
CVE-2020-13334
In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query
Vulnerability class: Broken Access Control
EPSS: 0.015 (72.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Gitlab — versions >=8.6, <13.2.10, >=13.3.0, <13.3.7, >=13.4.0, <13.4.2
Weakness classification (CWE)
References
- cve@gitlab.com (x_refsource_MISC, Broken Link)
- 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-2020-13334?
- CVE-2020-13334 is a medium-severity vulnerability in Gitlab, classified under Incorrect Authorization. CVSS score: 5.9/10. Published 2020-10-07.
- How severe is CVE-2020-13334?
- Medium severity. CVSS v3 base score is 5.9 out of 10.