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Check Point Advisories

Atlassian Confluence Remote Code Execution (CVE-2021-26084)

Check Point Reference: CPAI-2021-0548
Date Published: 5 Sep 2021
Severity: Critical
Last Updated: 5 Sep 2021
Source:
Industry Reference:CVE-2021-26084
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Atlassian Confluence Server and Data Center up to 6.13.23
Atlassian Confluence Server and Data Center 6.14.0 - 7.4.11
Atlassian Confluence Server and Data Center 7.5.0 before 7.11.6
Atlassian Confluence Server and Data Center 7.12.0 before 7.12.5
Vulnerability Description A remote code execution vulnerability exists in Atlassian Confluence. Successful exploitation of this vulnerability could allow a remote attacker 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 Atlassian Confluence Remote Code Execution (CVE-2021-26084) 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:  Atlassian Confluence Remote Code Execution (CVE-2021-26084)

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