Check Point Advisories

Microsoft Windows Remote Code Execution (CVE-2020-1421)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3613
Date Published:	30 Nov 2022
Severity:	High
Last Updated:	Wednesday 30 November, 2022
Source:
Industry Reference:	CVE-2020-1421
Protection Provided by:	Security Gateway R81, R80
Who is Vulnerable?	Microsoft Windows 7 Microsoft Windows 8.1 Microsoft Windows 10 Microsoft Windows RT 8.1 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2 Microsoft Windows Server 2012 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2016 Microsoft Windows Server 2019 Microsoft Windows Server version 1803 (Server Core Installation) Microsoft Windows Server version 1903 (Server Core installation) Microsoft Windows Server version 2004 (Server Core installation)
Vulnerability Description	A remote code execution vulnerability exists in Microsoft Windows. 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 R80

In the IPS tab, click Protections and find the Microsoft Windows Remote Code Execution (CVE-2020-1421) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Windows Remote Code Execution (CVE-2020-1421)