Check Point Advisories

Nagios XI Persistent Cross-Site Scripting

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0025
Date Published:	6 Feb 2021
Severity:	High
Last Updated:	Saturday 06 February, 2021
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Nagios XI 5.7.5
Vulnerability Description	A persistent cross-site scripting vulnerability exists in Nagios XI. Successful exploitation of this vulnerability would allow remote attackers to inject arbitrary web script 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 Nagios XI Persistent Cross-Site Scripting 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: Nagios XI Persistent Cross-Site Scripting