CVE-2021-33032

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

10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV: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)

• https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/

References

• CVE Record
• NVD entry

Related

• CVE-2021-33026
• CVE-2021-33034
• CVE-2021-33012
• CVE-2021-33041
• CVE-2021-3298
• CVE-2021-33044