CVE-2019-16199 : Exploit Details and Defense Strategies

A vulnerability in eQ-3 Homematic CCU2 and CCU3 allows unauthenticated attackers to remotely execute code via specific URLs.

Understanding CVE-2019-16199

This CVE identifies a critical security issue in eQ-3 Homematic CCU2 and CCU3 that can be exploited by attackers with web interface access.

What is CVE-2019-16199?

The vulnerability in eQ-3 Homematic CCU2 versions prior to 2.47.18 and CCU3 versions prior to 3.47.18 enables unauthenticated attackers to execute code remotely through HTTP POST requests to certain URLs linked to the ReGa core process.

The Impact of CVE-2019-16199

The vulnerability allows attackers to execute code remotely, posing a significant risk to the security and integrity of affected systems.

Technical Details of CVE-2019-16199

This section provides detailed technical insights into the CVE-2019-16199 vulnerability.

Vulnerability Description

The vulnerability in eQ-3 Homematic CCU2 and CCU3 allows unauthenticated attackers to remotely execute code by exploiting specific URLs associated with the ReGa core process.

Affected Systems and Versions

eQ-3 Homematic CCU2 versions prior to 2.47.18
eQ-3 Homematic CCU3 versions prior to 3.47.18

Exploitation Mechanism

Attackers can exploit this vulnerability by sending HTTP POST requests to targeted URLs related to the ReGa core process, granting them the ability to execute code remotely.

Mitigation and Prevention

Protecting systems from CVE-2019-16199 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update eQ-3 Homematic CCU2 to version 2.47.18 or later
Update eQ-3 Homematic CCU3 to version 3.47.18 or later
Restrict access to the web interface to authorized users only

Long-Term Security Practices

Regularly monitor and audit web interface access
Implement network segmentation to limit exposure

Patching and Updates

Apply security patches provided by eQ-3 promptly to address the vulnerability