CVE-2019-10119

CRITICAL

eQ-3 HomeMatic CCU2 <2.41.8 & CCU3 <3.43.16 - Auth Bypass

Title source: llm
STIX 2.1

Description

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via an invalid login attempt to the RemoteApi account, aka HMCCU-154. This leads to automatic login as admin.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0196
EPSS Percentile 77.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-306
Status published
Products (2)
eq-3/ccu2_firmware < 2.41.8
eq-3/ccu3_firmware < 3.43.16
Published Jul 10, 2019
Tracked Since Feb 18, 2026