Check Point Advisories

Smarty Remote Code Execution (CVE-2021-26120)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1726
Date Published:	7 May 2023
Severity:	Critical
Last Updated:	Sunday 07 May, 2023
Source:
Industry Reference:	CVE-2021-26120
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Smarty prior to 3.1.39
Vulnerability Description	A remote code execution vulnerability exists in Smarty. 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

In the IPS tab, click Protections and find the Smarty Remote Code Execution (CVE-2021-26120) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Smarty Remote Code Execution (CVE-2021-26120)