Check Point Advisories

Pulse Connect Secure Authentication Bypass (CVE-2021-22893)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0877
Date Published:	3 Apr 2022
Severity:	Critical
Last Updated:	Sunday 03 April, 2022
Source:
Industry Reference:	CVE-2021-22893
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Pulse Connect Secure 9.0R3/9.1R1 and higher
Vulnerability Description	An authentication bypass vulnerability exists in Pulse Connect Secure. Successful exploitation of this vulnerability could allow a remote attacker to gain unauthorized access to 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 Pulse Connect Secure Authentication Bypass (CVE-2021-22893) 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: Pulse Connect Secure Authentication Bypass (CVE-2021-22893)