CVE Vulnerabilities

CVE-2021-39935

Server-Side Request Forgery (SSRF)

Published: Dec 13, 2021 | Modified: Dec 15, 2021
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
LOW

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

Weakness

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Affected Software

Name Vendor Start Version End Version
Gitlab Gitlab 10.5.0 (including) 14.3.6 (excluding)
Gitlab Gitlab 14.4.0 (including) 14.4.4 (excluding)
Gitlab Gitlab 14.5.0 (including) 14.5.2 (excluding)
Gitlab Ubuntu esm-apps/xenial *
Gitlab Ubuntu trusty *
Gitlab Ubuntu xenial *

References