Check Point Advisories

Auerswald COMfortel Authentication Bypass (CVE-2021-40856)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-2145
Date Published:	2 Apr 2024
Severity:	High
Last Updated:	Tuesday 02 April, 2024
Source:
Industry Reference:	CVE-2021-40856
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Auerswald COMfortel 3600 IP firmware 2.8f and prior Auerswald COMfortel 2600 IP firmware 2.8f and prior Auerswald COMfortel 1400 IP firmware 2.8f and prior
Vulnerability Description	An authentication bypass vulnerability exists in Auerswald COMfortel. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into 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 Auerswald COMfortel Authentication Bypass (CVE-2021-40856) 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: Application Servers Protection Violation.
Attack Information: Auerswald COMfortel Authentication Bypass (CVE-2021-40856)