Auth bypass in GitLab
CVE-2020-13303
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Due to improper verification of permissions, an unauthorized user can access a private repository within a public project.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.011 (65.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · 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/238887 (Broken Link)
- hackerone.com/reports/962231 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13303.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-13303?
- CVE-2020-13303 is a high-severity vulnerability in GitLab, classified under Improper Authentication. CVSS score: 7.1/10. Published 2020-09-15.
- How severe is CVE-2020-13303?
- High severity. CVSS v3 base score is 7.1 out of 10.