Check Point Advisories

Open Redirect Attempt (CVE-2019-10955; CVE-2021-23385; CVE-2021-23393; CVE-2021-32618)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-2302
Date Published:	25 Mar 2025
Severity:	Critical
Last Updated:	Tuesday 25 March, 2025
Source:
Industry Reference:	CVE-2019-10955 CVE-2021-23385 CVE-2021-23393 CVE-2021-32618
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	An open redirect vulnerability exists in multiple web servers. A remote attacker could exploit this vulnerability to redirect users to a malicious site via a malicious link.

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 Open Redirect Attempt 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: Open Redirect Attempt