CVE-2021-22175 GitLab — Exploit & Vulnerability Details CRITICAL

Parameter	Value
CVSS	9.8 (CRITICAL)
Affected Versions	10.5.0 — 13.8.4
Fixed In	13.6.7
Type	CWE-918 (Server-Side Request Forgery (SSRF))
Vendor	GitLab
Public PoC	Yes

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled

Attack Parameters

Attack Vector

Network

Can be exploited remotely

Attack Complexity

Low

Easy to exploit

Privileges Required

None

No privileges needed

User Interaction

None

No user interaction needed

Impact Assessment

Confidentiality

High

Complete data leak

Integrity

High

Complete data modification

Availability

High

Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

CWE-918 Server-Side Request Forgery (SSRF)

Vulnerable Products 6

Configuration	From (including)	Up to (excluding)
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::community:::*	`10.5.0`	`13.6.7`
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	`10.5.0`	`13.6.7`
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::community:::*	`13.7.0`	`13.7.7`
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	`13.7.0`	`13.7.7`
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::community:::*	`13.8.0`	`13.8.4`
Gitlab Gitlab cpe:2.3:a:gitlab:gitlab:::::enterprise:::*	`13.8.0`	`13.8.4`