Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Atlassian Confluence Server Arbitrary File Read (CVE-2021-26085)

Check Point Reference: CPAI-2021-1063
Date Published: 6 Feb 2022
Severity: Medium
Last Updated: Wednesday 22 June, 2022
Source:
Industry Reference:CVE-2021-26085
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Atlassian Confluence Server prior to version 7.4.10
Atlassian Confluence Server from version 7.5.0 prior to 7.12.3.
Vulnerability Description An arbitrary file read vulnerability exists in Atlassian Confluence Server. Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to access and read arbitrary file.

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 Atlassian Confluence Server Arbitrary File Read (CVE-2021-26085) 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 Server Arbitrary File Read (CVE-2021-26085)

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