Check Point Advisories

Webmin Remote Code Execution (CVE-2020-8821)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3855
Date Published:	20 Jun 2023
Severity:	Medium
Last Updated:	Tuesday 20 June, 2023
Source:
Industry Reference:	CVE-2020-8821
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Webmin 1.941 and prior
Vulnerability Description	A remote code execution vulnerability exists in Webmin. 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 Webmin Remote Code Execution (CVE-2020-8821) 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: Webmin Remote Code Execution (CVE-2020-8821)