CISA ICS Advisory: Hitachi Energy APM Edge Product

On August 13, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) published an ICS advisory detailing vulnerabilities in Hitachi Energy’s APM Edge product.

Dirty Frag vulnerabilities in APM Edge

The advisory states that Hitachi Energy is aware of Dirty Frag vulnerabilities affecting listed versions of the APM Edge product. Successful exploitation could result in impacts to the confidentiality, integrity, and availability of the product. The advisory does not say whether the vulnerabilities have been exploited in the wild.

Affected products

The vulnerabilities affect specific versions of Hitachi Energy APM Edge. The advisory directs readers to the full list of affected versions contained in the document. No other Hitachi Energy products are named.

What to do

• Determine whether any APM Edge devices in your environment are running an affected version.
• Apply the vendor-provided updates or mitigations listed in the advisory.
• Follow Hitachi Energy’s recommended immediate actions for remediation.
• Monitor Hitachi Energy’s official channels for any additional patches or guidance.
• Segment affected industrial control systems where immediate patching is not feasible.

This advisory highlights the continued importance of timely patching and network segmentation for industrial control system components that manage critical infrastructure operations.