CVE-2019-9584 : Exploit Details and Defense Strategies

The eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 has a vulnerability that allows unauthorized access to the admin interface, potentially leading to sensitive information exposure, VPN service disruption, and configuration deletion due to improper access control.

Understanding CVE-2019-9584

This CVE involves a security vulnerability in the eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3, enabling unauthorized access to the admin interface.

What is CVE-2019-9584?

The vulnerability in the eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 permits uncontrolled admin access, which can result in obtaining VPN profile details, shutting down the VPN service, and deleting the VPN service configuration due to improper access control.

The Impact of CVE-2019-9584

The vulnerability could lead to unauthorized access to sensitive information, disruption of the VPN service, and potential deletion of the VPN service configuration, posing a risk to the confidentiality and integrity of the system.

Technical Details of CVE-2019-9584

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows unauthorized access to the admin interface of the eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3, leading to potential exposure of sensitive information and disruption of the VPN service.

Affected Systems and Versions

Systems: CCU2 and CCU3
Versions: All versions of the eQ-3 Homematic AddOn 'CloudMatic'

Exploitation Mechanism

The vulnerability is exploited through improper access control for all /addons/mh/ pages, enabling unauthorized users to access the admin interface.

Mitigation and Prevention

Protect your system from CVE-2019-9584 with the following steps:

Immediate Steps to Take

Implement access controls to restrict unauthorized access to the admin interface.
Regularly monitor and audit access to sensitive system configurations.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep systems and software up to date with the latest security patches.

Patching and Updates

Ensure that the eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 is updated with the latest patches to mitigate the vulnerability.