CVE-2021-40222: Rittal Cmc Pu Iii 7030.000 Firmware

High severity, CVSS 7.2. EPSS: 4.7% chance of exploitation in the next 30 days.

Rittal CMC PU III Web management Version affected: V3.11.00_2. Version fixed: V3.17.10 is affected by a remote code execution vulnerablity. It is possible to introduce shell code to create a reverse shell in the PU-Hostname field of the TCP/IP Configuration dialog. Web application fails to sanitize user input on Network TCP/IP configuration page. This allows the attacker to inject commands as root on the device which will be executed once the data is received.

Affected products

• Rittal Cmc Pu Iii 7030.000 Firmware: from 3.11.00_2, before 3.17.10 (fixed in 3.17.10)

Published 2021-09-09. Last modified 2026-06-17.