CVE-2021-39935

Published Dec 13, 2021

Last updated 5 days ago

Overview

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
Source
cve@gitlab.com
NVD status
Analyzed
Products
gitlab

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
5
Impact score
2.9
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:P/I:N/A:N

Known exploits

Data from CISA

Vulnerability name
GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
Exploit added on
Feb 3, 2026
Exploit action due
Feb 24, 2026
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.

Weaknesses

nvd@nist.gov
CWE-918
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-918

Social media

Hype score
Not currently trending

Configurations