AEGLIX vulnerability intelligence
CVE-2021-39935
MEDIUM · CVSS 6.8 · Analyzed
Published: 2021-12-13 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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
Severity and scoring
- CVSS score
- 6.8 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-918
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- GitLab · Community and Enterprise Editions
- Added to catalog
- 2026-02-03
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2026-02-24
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
From (inclusive): 10.5.0
Before (exclusive): 14.3.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
From (inclusive): 10.5.0
Before (exclusive): 14.3.6
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
From (inclusive): 14.4.0
Before (exclusive): 14.4.4
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
From (inclusive): 14.4.0
Before (exclusive): 14.4.4
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
From (inclusive): 14.5.0
Before (exclusive): 14.5.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
From (inclusive): 14.5.0
Before (exclusive): 14.5.2
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187
Issue Tracking · Vendor Advisory
- https://hackerone.com/reports/1236965
Permissions Required · Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json
Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/346187
Issue Tracking · Vendor Advisory
- https://hackerone.com/reports/1236965
Permissions Required · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935
US Government Resource