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Apache Struts 2 Critical RCE Vulnerability - 20231213001

Overview

A critical vulnerability in Apache Struts 2 can be exploited by an attacker to manipulate file upload parameters to enable path traversal and may lead to uploading a malicious file which can be used to perform Remote Code Execution.

Apache is urging Struts 2 developers and users to immediately upgrade to version 2.5.33, or Struts 6.3.0.2 or greater.

What is the vulnerability?

CVE-2023-50164 - CVSS v3 Base Score: 9.8

What is vulnerable?

The vulnerability affects the following products:

  • Apache Struts 2 versions:
    • Struts 2.0.0 - 2.3.37
    • Struts 2.5.0 - 2.5.32
    • Struts 6.0.0 - 6.3.0

What has been observed?

There is no evidence of exploitation affecting Western Australian Government networks at the time of publishing.

Recommendation

The WA SOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframe of 48 hours (refer Patch Management):