CVE-2019-14985 : What You Need to Know

The eQ-3 Homematic CCU2 and CCU3, when equipped with the CUxD AddOn, have a vulnerability that allows unauthenticated attackers with web interface access to execute remote code.

Understanding CVE-2019-14985

This CVE identifies a critical vulnerability in eQ-3 Homematic CCU2 and CCU3 devices that can be exploited by attackers to execute remote code.

What is CVE-2019-14985?

The vulnerability in eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn installed enables unauthenticated attackers with web interface access to execute remote code. This is due to the web interface's ability to reach the CMD_EXEC virtual device type 28.

The Impact of CVE-2019-14985

The vulnerability allows attackers to remotely execute code on affected devices, potentially leading to unauthorized access, data theft, or further compromise of the system.

Technical Details of CVE-2019-14985

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability in eQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn allows unauthenticated attackers to execute remote code through the web interface, exploiting the CMD_EXEC virtual device type 28.

Affected Systems and Versions

Product: eQ-3 Homematic CCU2 and CCU3
Versions: All versions with the CUxD AddOn installed

Exploitation Mechanism

Attackers with web interface access can exploit the vulnerability by leveraging the CMD_EXEC virtual device type 28 to execute remote code.

Mitigation and Prevention

To address CVE-2019-14985, consider the following mitigation strategies:

Immediate Steps to Take

Disable remote access to the web interface if not required
Regularly monitor for unauthorized access or unusual activities

Long-Term Security Practices

Implement network segmentation to isolate critical devices
Keep systems up to date with the latest security patches

Patching and Updates

Apply patches and updates provided by the vendor to fix the vulnerability and enhance system security.