CVE-2021-33032
CRITICAL 10.0EPSS 52.2%
A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic CCU2 firmware up to and including version 2.57.5 and CCU3 firmware up to and including version 3.57.5 allows remote unauthenticated attackers to execute system commands as root via a simple HTTP request.
- CVSS v3.1 NVD
- 10.0 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS v2.0 NVD
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 52.16% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2021-07-22
- Updated
- 2024-08-03
Proof-of-concept exploits (1)
Security advisories
- https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Cha…
- https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf
- https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution