CVE-2019-13553: Carel Pcoweb Firmware

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4. The authentication mechanism on affected systems is configured using hard-coded credentials. These credentials could allow attackers to influence the primary operations of the affected systems, namely turning the cooling unit on and off and setting the temperature set point.

Affected products

• Carel Pcoweb Firmware: from a1.5.3, up to and including b1.2.4

Published 2019-10-25. Last modified 2026-06-17.