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Rewterz Threat Advisory – ICS: Siemens SIPROTEC 5 Devices Vulnerability

Severity

High

Analysis Summary

CVE-2022-45044 

Siemens SIPROTEC 5 devices are vulnerable to a denial of service, caused by uncontrolled resource consumption in the SSL and TLS protocols. A remote attacker could exploit this vulnerability to cause a denial of service on ports 443/TCP and 4443/TCP.

Impact

Denial of Service

Indicators Of Compromise

CVE

  • CVE-2022-45044

Affected Vendors

Siemens

Affected Products

  • Siemens SIPROTEC 5 6MD85 (CPU variant CP200)
  • Siemens SIPROTEC 5 6MD85 (CPU variant CP300)
  • Siemens SIPROTEC 5 6MD86 (CPU variant CP200)
  • Siemens SIPROTEC 5 6MD86 (CPU variant CP300)

Remediation

Refer to Siemens Website for patch, upgrade or suggested workaround information.

Siemens Website