Resource exhaustion in GitLab
CVE-2021-39942
A denial of service vulnerability in GitLab CE/EE affecting all versions starting from 12.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows low-privileged users to bypass file size limits in the NPM package repository to potentially cause denial of service.
Vulnerability class: DoS (Denial of Service)
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:N/A:L.
EPSS exploit prediction
EPSS: 0.014 (71.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: -0.000
Affected products
- GitLab — versions >=12.0, <14.3.6, >=14.4, <14.4.4, >=14.5, <14.5.2
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/297492 (Broken Link, Vendor Advisory)
- hackerone.com/reports/1071861 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39942.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39942?
- CVE-2021-39942 is a medium-severity vulnerability in GitLab, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2022-01-18.
- How severe is CVE-2021-39942?
- Medium severity. CVSS v3 base score is 4.3 out of 10.