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ICSA-23-019-01  ·  Published 2023-01-19  ·  View on CISA ICS-CERT ↗

Hitachi Energy PCU400

CVSS 7.5 HIGH

Risk Summary

Successful exploitation of these vulnerabilities could result in a denial-of-service condition on both the logging function of the device and its associated server.

Remediations

  • Hitachi Energy has fixed the vulnerabilities in the following versions, and recommends users update their systems to the appropriate version:
  • PCU400: Version 9.3.8 or 9.4 or later
  • PCULogger: Version 1.1.0 or later
  • Users should contact a Hitachi Energy representative for instructions on acquiring and installing the new versions.
  • Hitachi Energy encourages users to apply recommended security practices and firewall configurations. These practices include, but are not limited to:
  • Protect process control systems from physical access by unauthorized personnel.
  • Do not allow process control systems to have direct connections to the Internet.
  • Separate process control systems from other networks by means of a firewall system that has a minimal number of ports exposed.
  • Apply security updates to installed software components.
  • Do not use process control systems for personal use, such as web browsing or checking emails.
  • Carefully scan portable computers and removable storage media for viruses before they are connected to a control system.
  • For more information, see Hitachi Energy advisory 8DBD000137.

Affected Vendors

Hitachi Energy

Affected Products (2)

Hitachi Energy · PCU400 >= 9.3.0 - but not including 9.3.8
Hitachi Energy · PCULogger tool 1.0.1

Affected Sectors

Energy

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