Check Point Advisories

CMSUno Remote Code Execution (CVE-2021-40889)

Check Point Reference: CPAI-2021-0869
Date Published: 28 Nov 2021
Severity: Critical
Last Updated: Sunday 28 November, 2021
Source:
Industry Reference:CVE-2021-40889
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? CMSUno version 1.7.2
Vulnerability Description A remote code execution vulnerability exists in CMSUno. 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 CMSUno Remote Code Execution (CVE-2021-40889) 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:  CMSUno Remote Code Execution (CVE-2021-40889)

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