Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Sophos MR3 Firewall Remote Code Execution (CVE-2022-1040)

Check Point Reference: CPAI-2022-0243
Date Published: 24 May 2022
Severity: Critical
Last Updated: Tuesday 24 May, 2022
Industry Reference:CVE-2022-1040
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Sophos MR3 Firewall v18.5
Vulnerability Description A remote code execution vulnerability exists in Sophos MR3 Firewall. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 Sophos MR3 Firewall Remote Code Execution (CVE-2022-1040) 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:  Application Servers Protection Violation.
Attack Information:  Sophos MR3 Firewall Remote Code Execution (CVE-2022-1040)

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