Summary
Hitachi Energy is aware of a vulnerability that affects the Hitachi Energy PCM600 product versions listed in this document. An attacker successfully exploiting this vulnerability can impact integrity of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.
Vulnerabilities 1
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Medium 5.5
Improper Limitation of a Pathname to a Restricted Directory in SharpZipLib
SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Revision history
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#4
CISA Republication update based on Hitachi Energy PSIRT 8DBD000239 advisory
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#3
Remediation released in PCM600 v3.1 SP4 on 16-09-2026
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#2
CISA Republication - Initial CISA Republication of Hitachi Energy 8DBD000239 advisory
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#1
Initial public release
References
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[1] Hitachi Energy Notification for Industrial Control Systems Cybersecurity Best Practices
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000235&LanguageCode=en&DocumentPartId=&Action=Launch
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SharpZip Directory Traversal Vulnerability in Hitachi Energy PCM600
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000239&LanguageCode=en&DocumentPartId=&Action=launch
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ICS Advisory icsa-26-125-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-125-01
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b