Check Point Advisories

Apache OpenMeetings Denial of Service (CVE-2020-13951; CVE-2021-27576)

Check Point Reference: CPAI-2020-3594
Date Published: 18 Sep 2022
Severity: High
Last Updated: Monday 24 October, 2022
Industry Reference:CVE-2020-13951
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Apache OpenMeetings 4.0.0 - 5.0.0
Vulnerability Description A denial of service vulnerability exists in Apache OpenMeetings. Successful exploitation of this vulnerability would allow remote attackers to cause denial of service 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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Apache OpenMeetings Denial of Service (CVE-2020-13951) 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:  Apache Server Protection Violation.
Attack Information:  Apache OpenMeetings Denial of Service (CVE-2020-13951)

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