CVE-2019-9585 : What You Need to Know

The eQ-3 Homematic CCU2 version before 2.47.10 and CCU3 version before 3.47.10 have a vulnerability in their JSON API that allows unauthorized users to manipulate metadata.

Understanding CVE-2019-9585

This CVE identifies a security flaw in the eQ-3 Homematic CCU2 and CCU3 devices that could be exploited by unauthorized users.

What is CVE-2019-9585?

The vulnerability in the JSON API of eQ-3 Homematic CCU2 and CCU3 devices allows unauthorized users to read, set, and delete metadata, compromising the security of the system.

The Impact of CVE-2019-9585

Unauthorized users can exploit this vulnerability to access and manipulate metadata, potentially leading to unauthorized control over the affected devices.

Technical Details of CVE-2019-9585

The technical details of the CVE provide insight into the specific aspects of the vulnerability.

Vulnerability Description

The issue lies in the improper access control for metadata-related operations in the JSON API of eQ-3 Homematic CCU2 and CCU3 devices.

Affected Systems and Versions

eQ-3 Homematic CCU2 versions prior to 2.47.10
eQ-3 Homematic CCU3 versions prior to 3.47.10

Exploitation Mechanism

Unauthorized users can exploit the vulnerability in the JSON API to gain access to metadata and perform unauthorized operations on the affected devices.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2019-9585.

Immediate Steps to Take

Update the eQ-3 Homematic CCU2 and CCU3 devices to versions 2.47.10 and 3.47.10, respectively.
Restrict network access to the devices to trusted users only.

Long-Term Security Practices

Regularly monitor and audit the devices for any unauthorized access or changes.
Educate users on secure practices to prevent unauthorized access to the devices.

Patching and Updates

Ensure timely installation of security patches and updates provided by eQ-3 for the Homematic CCU2 and CCU3 devices.