GitLab Community Edition/Enterprise Edition up to 17.9.7/17.10.5/17.11.1 Form Submission authentication bypass

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 17.9.7/17.10.5/17.11.1. It has been classified as critical. Affected by this issue is some unknown functionality of the component Form Submission Handler. The manipulation leads to authentication bypass. This vulnerability is listed as CVE-2025-0549. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GitLab Community Edition and Enterprise Edition up to 17.9.7/17.10.5/17.11.1. This issue affects an unknown code block of the component Form Submission Handler. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.

The weakness was presented by sim4n6 as 513996. It is possible to read the advisory at gitlab.com. The identification of this vulnerability is CVE-2025-0549 since 01/17/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 235666 (GitLab 17.3 < 17.9.8 / 17.10 < 17.10.6 / 17.11 < 17.11.2 (CVE-2025-0549)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.9.8, 17.10.6 or 17.11.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (235666). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (GitLab): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 235666
Nessus Name: GitLab 17.3 < 17.9.8 / 17.10 < 17.10.6 / 17.11 < 17.11.2 (CVE-2025-0549)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 17.9.8/17.10.6/17.11.2

Timelineinfo

01/17/2025 🔍
05/09/2025 +111 days 🔍
05/09/2025 +0 days 🔍
08/08/2025 +91 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 513996
Researcher: sim4n6
Status: Confirmed

CVE: CVE-2025-0549 (🔍)
GCVE (CVE): GCVE-0-2025-0549
GCVE (VulDB): GCVE-100-308243

Entryinfo

Created: 05/09/2025 23:56
Updated: 08/08/2025 19:10
Changes: 05/09/2025 23:56 (67), 05/10/2025 10:18 (2), 08/08/2025 19:10 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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