CVE-2021-39935
Last modified
CVE-2021-39935 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API. CISA has confirmed active exploitation in the wild. EPSS estimates a 30.50% chance of exploitation in the next 30 days.
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 10.5.0, < 14.3.6 |
| Gitlab | Gitlab | >= 14.4.0, < 14.4.4 |
| Gitlab | Gitlab | >= 14.5.0, < 14.5.2 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.jsonThird Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/1236965Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.jsonThird Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/1236965Permissions Required, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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