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ICSA-23-143-01  ·  Published 2023-05-31  ·  View on CISA ICS-CERT ↗

Hitachi Energy’s AFS65x, AFS67x, AFR67x and AFF66x Products

CVSS 8.1 HIGH

Risk Summary

Successful exploitation of these vulnerabilities could allow an attacker to disclose sensitive information or lead to a Denial-of-Service (DoS).

Remediations

  • Hitachi Energy has released the following mitigations/fixes:
  • AFS660/665S, AFS660/665C, AFS670v2: Apply mitigation strategy as described in General Mitigation Factors Section or update to upcoming 7.1.08 when available.
  • AFS670/675, AFR67x: Apply mitigation strategy as described in General Mitigation Factors Section or update to 9.1.08.
  • AFS65x: EoL product - only mitigation available, no remediation expected. Apply mitigation strategy as described in General Mitigation Factors Section.
  • AFF660/665: Apply mitigation strategy as described in General Mitigation Factors Section or update to upcoming release.
  • Hitachi Energy also recommends general mitigations:
  • Recommended security practices and firewall configurations can help protect a process control network from attacks originating from outside the network.
  • Physically protect process control systems from direct access by unauthorized personnel.
  • Ensure process control systems have no direct connections to the internet and are separated from other networks by a firewall system with a minimal number of exposed ports.
  • Do not use process control systems for internet surfing, instant messaging, or receiving emails.
  • Scan portable computers and removable storage media for malware prior connection to a control system.
  • For more information, see Hitachi Energy�s Security Advisory: 8DBD000149.

Affected Vendors

Hitachi Energy

Affected Products (7)

Hitachi Energy · AFS660/665S <= 7.1.05
Hitachi Energy · AFS660/665C <= 7.1.05
Hitachi Energy · AFS670v2 <= 7.1.05
Hitachi Energy · AFS670/675 <= 9.1.07
Hitachi Energy · AFR67x <= 9.1.07
Hitachi Energy · AFF660/665 <= 03.0.02
Hitachi Energy · AFS65x vers:all/*

Affected Sectors

Energy

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