CVE-2019-14473: Eq-3 CCU2 Firmware

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

eQ-3 Homematic CCU2 and CCU3 use session IDs for authentication but lack authorization checks. Consequently, a valid guest level or user level account can create a new admin level account, read the service messages, clear the system protocol or modify/delete internal programs, etc. pp.

Affected products

• Eq-3 CCU2 Firmware: up to and including 2.47.15
• Eq-3 CCU3 Firmware: up to and including 3.47.15

Published 2019-08-06. Last modified 2026-06-17.