Check Point Advisories

Nagios XI Graph Explorer Cross-Site Scripting (CVE-2020-15902)

Check Point Reference: CPAI-2020-1364
Date Published: 22 Dec 2020
Severity: High
Last Updated: Tuesday 22 December, 2020
Source:
Industry Reference:CVE-2020-15902
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Nagios XI
Vulnerability Description A cross-site scripting vulnerability exists in Nagios XI. This vulnerability is due to improper validation of the link parameter in visFunctions.inc.php.

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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Nagios XI Graph Explorer Cross-Site Scripting (CVE-2020-15902) protection using the Search tool and Edit the protection's settings.
  2. 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 Graph Explorer Cross-Site Scripting (CVE-2020-15902)

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