Check Point Advisories

Zyxel UAG2100 Authentication Bypass (CVE-2019-12583)

Check Point Reference: CPAI-2019-3178
Date Published: 28 Mar 2024
Severity: Critical
Last Updated: Thursday 28 March, 2024
Industry Reference:CVE-2019-12583
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Zyxel UAG2100 firmware v4.18(aaiz.1)c0 and prior
Vulnerability Description An authentication bypass vulnerability exists in Zyxel UAG2100. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access to 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 Zyxel UAG2100 Authentication Bypass (CVE-2019-12583) 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:  Application Servers Protection Violation.
Attack Information:  Zyxel UAG2100 Authentication Bypass (CVE-2019-12583)

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