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Mattermost allows authenticated administrator to execute LDAP search filter injection

Moderate severity GitHub Reviewed Published Jun 11, 2025 to the GitHub Advisory Database • Updated Jun 11, 2025

Package

gomod github.com/mattermost/mattermost-server (Go)

Affected versions

>= 10.7.0, < 10.7.2
>= 10.6.0, < 10.6.4
>= 10.5.0, < 10.5.5
>= 9.11.0, < 9.11.14

Patched versions

10.7.2
10.6.4
10.5.5
9.11.14
gomod github.com/mattermost/mattermost/server/v8 (Go)
< 8.0.0-20250414112942-77892234944b
8.0.0-20250414112942-77892234944b

Description

Mattermost versions 10.7.x <= 10.7.1, 10.6.x <= 10.6.3, 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly validate LDAP group ID attributes, allowing an authenticated administrator with PermissionSysconsoleWriteUserManagementGroups permission to execute LDAP search filter injection via the PUT /api/v4/ldap/groups/{remote_id}/link API when objectGUID is configured as the Group ID Attribute.

References

Published by the National Vulnerability Database Jun 11, 2025
Published to the GitHub Advisory Database Jun 11, 2025
Reviewed Jun 11, 2025
Last updated Jun 11, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(4th percentile)

Weaknesses

CVE ID

CVE-2025-4573

GHSA ID

GHSA-4r67-4x4p-fprg

Source code

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