CVE-2020-24231 Explained : Impact and Mitigation

Symmetric DS <3.12.0 uses mx4j to provide access to JMX over HTTP. An attacker can interact with JMX, get system info, invoke MBean methods, and install additional MBeans from a remote host, leading to arbitrary code execution.

Understanding CVE-2020-24231

Symmetric DS vulnerability allowing unauthorized access and arbitrary code execution.

What is CVE-2020-24231?

Symmetric DS <3.12.0 vulnerability enables attackers to access JMX over HTTP without authentication, potentially leading to arbitrary code execution.

The Impact of CVE-2020-24231

Unauthorized access to system information
Execution of arbitrary code on affected systems

Technical Details of CVE-2020-24231

Symmetric DS vulnerability details and affected systems.

Vulnerability Description

Uses mx4j for JMX access over HTTP
Lack of authentication in mx4j
Allows interaction with JMX and MBean methods
Potential for installing additional MBeans from remote hosts

Affected Systems and Versions

Symmetric DS versions <3.12.0

Exploitation Mechanism

Attackers can exploit the lack of authentication in mx4j to access JMX and execute arbitrary code

Mitigation and Prevention

Steps to mitigate and prevent CVE-2020-24231.

Immediate Steps to Take

Upgrade Symmetric DS to version 3.12.0 or newer
Restrict access to JMX over HTTP
Implement network segmentation to limit exposure

Long-Term Security Practices

Regularly update and patch Symmetric DS
Implement strong authentication mechanisms for JMX access

Patching and Updates

Apply patches and updates provided by Symmetric DS to address the vulnerability