Check Point Advisories

Atlassian Jira Insecure Deserialization (CVE-2020-36239)

Check Point Reference: CPAI-2020-4060
Date Published: 25 Oct 2023
Severity: Critical
Last Updated: Wednesday 25 October, 2023
Source:
Industry Reference:CVE-2020-36239
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Atlassian Jira Data Center 6.3.0 and later, prior to 8.5.16
Atlassian Jira Data Center 8.6.0 and later, prior to 8.13.8
Atlassian Jira Data Center 8.14.0 and later, prior to 8.17.0
Atlassian Jira Service Desk 2.0.2 and later, prior to 4.5.16
Atlassian Jira Service Desk 4.6.0 and later, prior to 4.13.8
Atlassian Jira Service Management 4.14.0 and later, prior to 4.17.0
Vulnerability Description An insecure deserialization vulnerability exists in Atlassian Jira. 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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Atlassian Jira Insecure Deserialization (CVE-2020-36239) 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 Jira Insecure Deserialization (CVE-2020-36239)

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