Check Point Advisories

Java Server Pages Backdoor (CVE-2016-0785; CVE-2018-16621; CVE-2020-26282; CVE-2022-22980; CVE-2022-23463; CVE-2023-30331; CVE-2023-34468; CVE-2023-49109; CVE-2023-49299; CVE-2024-0195; CVE-2024-2064; CVE-2024-23320; CVE-2024-50379; CVE-2024-53677; CVE-2024-56337)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-1396
Date Published:	20 Mar 2021
Severity:	Critical
Last Updated:	Monday 17 February, 2025
Source:
Industry Reference:	CVE-2016-0785 CVE-2018-16621 CVE-2020-26282 CVE-2022-22980 CVE-2022-23463 CVE-2023-30331 CVE-2023-34468 CVE-2023-49109 CVE-2023-49299 CVE-2024-0195 CVE-2024-2064 CVE-2024-23320 CVE-2024-50379 CVE-2024-53677 CVE-2024-56337
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A generic backdoor exists in Java server pages. The vulnerability is due to lack of user input sanitation. Successful exploitation of this vulnerability might allow an 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 Java Server Pages Backdoor 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: Java Server Pages Backdoor