Auth bypass in GitLab
CVE-2020-13313
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. An unauthorized project maintainer could edit the subgroup badges due to the lack of authorization control.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (60.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- GitLab — versions >=1.0, <13.1.10, >=13.2, <13.2.8, >=13.3, <13.3.4
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/118536 (Broken Link)
- hackerone.com/reports/751264 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13313.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-13313?
- CVE-2020-13313 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2020-09-14.
- How severe is CVE-2020-13313?
- Medium severity. CVSS v3 base score is 4.3 out of 10.