Critical severity9.8NVD Advisory· Published Jul 10, 2019· Updated Jun 17, 2026
CVE-2019-10121
CVE-2019-10121
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.
Affected products
2- eQ-3 HomeMatic/HomeMatic CCU2 / CCU3description
- Range: <2.41.8
Patches
Vulnerability mechanics
References
3- www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdfnvdRelease NotesVendor Advisory
- www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdfnvdRelease NotesVendor Advisory
- os-s.de/advisories/OSS-2018-01.pdfnvdBroken Link
News mentions
0No linked articles in our index yet.