Check Point Advisories

Nginx Proxy Manager Cross-Site Scripting (CVE-2022-28379; CVE-2021-20167)

Check Point Reference: CPAI-2022-0743
Date Published: 30 Nov 2022
Severity: Medium
Last Updated: Wednesday 30 November, 2022
Industry Reference:CVE-2021-20167
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Nginx Proxy Manager prior 2.9.17
Vulnerability Description A cross-site scripting vulnerability exists in Nginx Proxy Manager. 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

  1. In the IPS tab, click Protections and find the Nginx Proxy Manager Cross-Site Scripting (CVE-2022-28379) 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:  Nginx Proxy Manager Cross-Site Scripting (CVE-2022-28379)

This website uses cookies for its functionality and for analytics and marketing purposes. By continuing to use this website, you agree to the use of cookies. For more information, please read our Cookies Notice.