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Rewterz Threat Advisory – ICS: Rittal Chiller SK 3232-Series Multiple Vulnerabilities

Severity

High

Analysis Summary


CVE-2019-13549

The authentication mechanism on affected systems does not provide a sufficient level of protection against unauthorized configuration changes. Primary operations, namely turning the cooling unit on and off and setting the temperature set point, can be modified without authentication.

CVE-2019-13553

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.

Impact

  • Missing Authentication for Critical Function
  • Use of Hard-coded Credentials

Affected Vendors

Rittal

Affected Products

Rittal Chiller SK 3232-Series web interface as built upon Carel pCOWeb firmware A1.5.3 – B1.2.4

Remediation

For information on mitigating these vulnerabilities contact Rittal Support by email at: info@rittal.de