CVE-2023-36753 : Security Advisory and Response

A vulnerability has been identified in Siemens RUGGEDCOM devices that could allow an authenticated remote attacker to execute arbitrary code with root privileges. Learn about the impact, technical details, and mitigation strategies below.

Understanding CVE-2023-36753

This CVE identifies a command injection vulnerability in various Siemens RUGGEDCOM devices.

What is CVE-2023-36753?

A vulnerability in the uninstall-app App-name parameter in the web interface of affected Siemens RUGGEDCOM devices allows a remote attacker to execute arbitrary code with root privileges.

The Impact of CVE-2023-36753

The vulnerability poses a critical risk, with a CVSS base score of 9.1, making it a severe security issue that could lead to unauthorized code execution.

Technical Details of CVE-2023-36753

The vulnerability is due to missing server-side input sanitation in the uninstall-app App-name parameter of Siemens RUGGEDCOM devices.

Vulnerability Description

The flaw allows an authenticated attacker to inject and execute malicious commands with root privileges.

Affected Systems and Versions

Siemens RUGGEDCOM ROX MX5000, MX5000RE, RX1400, RX1500, RX1501, RX1510, RX1511, RX1512, RX1524, RX1536, and RX5000 devices running versions below V2.16.0 are impacted.

Exploitation Mechanism

An authenticated attacker can exploit the vulnerability via the web interface by injecting malicious commands into the uninstall-app App-name parameter.

Mitigation and Prevention

To address CVE-2023-36753, follow these immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update the affected devices to version V2.16.0 or later to mitigate the vulnerability.
Restrict access to the web interface of RUGGEDCOM devices to trusted users only.

Long-Term Security Practices

Keep all systems up to date with the latest patches and security updates.
Implement network segmentation and access controls to limit the attack surface.

Patching and Updates

Refer to Siemens' advisory for specific patch details and guidance on securing the affected devices.