Check Point Advisories

Mattermost Arbitrary File Read (CVE-2025-25279)

Check Point Reference: CPAI-2025-0211
Date Published: 28 Apr 2025
Severity: Critical
Last Updated: Monday 28 April, 2025
Source:
Industry Reference:CVE-2025-25279
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Mattermost versions 10.4.x up to 10.4.1
Mattermost versions 9.11.x up to 9.11.7
Mattermost versions 10.3.x up to 10.3.2
Mattermost versions 10.2.x up to 10.2.2
Vulnerability Description An arbitrary file read vulnerability exists in Mattermost. Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to access and read arbitrary file.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Mattermost Arbitrary File Read (CVE-2025-25279) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Mattermost Arbitrary File Read (CVE-2025-25279)

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