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Check Point Advisories

Nagios XI Cross-Site Scripting (CVE-2019-20139)

Check Point Reference: CPAI-2019-1969
Date Published: 7 Apr 2020
Severity: Medium
Last Updated: 7 Apr 2020
Industry Reference:CVE-2019-20139
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Nagios Enterprises Nagios XI prior to 5.6.10
Vulnerability Description A cross-site scripting vulnerability exists in Nagios XI. Successful exploitation of this vulnerability could allow attackers 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Nagios XI Cross-Site Scripting (CVE-2019-20139) 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 Cross-Site Scripting (CVE-2019-20139)

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