CVE-2025-1540

Incorrect Authorization in GitLab

Severity Score

3.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

An issue has been discovered in GitLab CE/EE for Self-Managed and Dedicated instances affecting all versions from 17.5 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2. It was possible for a user added as an External to read and clone internal projects under certain circumstances."

*Credits: Thanks [Renato Alves](https://gitlab.com/unode) for reporting this vulnerability.

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-02-21 CVE Reserved
2025-03-06 CVE Published
2025-03-06 CVE Updated
2025-04-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization

CAPEC

References (1)

URL	Tag	Source
https://about.gitlab.com/releases/2025/02/12/patch-release-gitlab-17-8-2-released/#saml-authentication-misconfigures-external-user-attribute

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
GitLab Search vendor "GitLab"		GitLab Search vendor "GitLab" for product "GitLab"				>= 17.5.0 < 17.6.5 Search vendor "GitLab" for product "GitLab" and version " >= 17.5.0 < 17.6.5"		en		Affected
GitLab Search vendor "GitLab"		GitLab Search vendor "GitLab" for product "GitLab"				>= 17.7.0 < 17.7.4 Search vendor "GitLab" for product "GitLab" and version " >= 17.7.0 < 17.7.4"		en		Affected
GitLab Search vendor "GitLab"		GitLab Search vendor "GitLab" for product "GitLab"				>= 17.8.0 < 17.8.2 Search vendor "GitLab" for product "GitLab" and version " >= 17.8.0 < 17.8.2"		en		Affected