CVE-2019-10121

Critical

Description

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via the user authentication dialogue, aka HMCCU-153. This leads to automatic login as admin.

SeverityCritical
CVSS9.8
Exploit probability—
ProductEq-3 Ccu3 Firmware
PublishedJul 10, 2019
First seenJul 10, 2019

How to fix

Update
  • eq-3 ccu3_firmware3.43.15 or later
  • eq-3 ccu2_firmware2.41.8 or later

Affected products

ProductAffected versionsFixed in
eq-3 ccu3_firmwarev < 3.43.153.43.15
eq-3 ccu2_firmwarev < 2.41.82.41.8

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2019-10121 · Eq-3 Ccu3 Firmware · Dark Radar