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Check Point Advisories

Grav CMS Command Injection (CVE-2021-29440)

Check Point Reference: CPAI-2021-0424
Date Published: 24 Jun 2021
Severity: High
Last Updated: 24 Jun 2021
Industry Reference:CVE-2021-29440
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Grav CMS prior to 1.7.11
Vulnerability Description A command injection vulnerability exists in Grav CMS. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Grav CMS Command Injection (CVE-2021-29440) 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:  Grav CMS Command Injection (CVE-2021-29440)

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