Check Point Advisories

Apache Kylin Authentication Bypass (CVE-2020-13937)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3658
Date Published:	8 Feb 2023
Severity:	Medium
Last Updated:	Wednesday 28 June, 2023
Source:
Industry Reference:	CVE-2020-13937
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Apache Kylin 2.0.0 Apache Kylin 2.1.0 Apache Kylin 2.2.0 Apache Kylin 2.3.0 Apache Kylin 2.3.1 Apache Kylin 2.3.2 Apache Kylin 2.4.0 Apache Kylin 2.4.1 Apache Kylin 2.5.0 Apache Kylin 2.5.1 Apache Kylin 2.5.2 Apache Kylin 2.6.0 Apache Kylin 2.6.1 Apache Kylin 2.6.2 Apache Kylin 2.6.3 Apache Kylin 2.6.4 Apache Kylin 2.6.5 Apache Kylin 2.6.6 Apache Kylin 3.0.0-alpha Apache Kylin 3.0.0-alpha2 Apache Kylin 3.0.0-beta Apache Kylin 3.0.0, 3.0.1 Apache Kylin 3.0.2, 3.1.0 Apache Kylin 4.0.0-alpha
Vulnerability Description	An authentication bypass vulnerability exists in Apache Kylin. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access 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 Apache Kylin Authentication Bypass (CVE-2020-13937) 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: Apache Kylin Authentication Bypass (CVE-2020-13937)