CVE-2025-1484 Hitachi Energy CVE debrief

Who should care

Organizations running Hitachi Energy Asset Suite 9.6.4.4, especially OT/ICS operators, system administrators, application owners, and security teams responsible for browser-based access to the platform.

Technical summary

The advisory describes a vulnerability in the media upload component that can lead to execution of attacker-supplied JavaScript in the browser context of an authenticated user session. The supplied CSAF data identifies Asset Suite version 9.6.4.4 as affected and gives a CVSS v3.1 vector of AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, consistent with a network-reachable issue that requires user interaction and can impact the user’s session context. The source corpus does not indicate KEV listing or ransomware linkage.

Defensive priority

Medium

Recommended defensive actions

• Upgrade Hitachi Energy Asset Suite to version 9.6.4.5 when available.
• Apply the vendor’s General Mitigation Factors/Workarounds from the advisory.
• Review and restrict access to the affected application, especially for users who can reach the media upload function.
• Use least privilege for application accounts and limit who can perform upload-related actions.
• Apply ICS defense-in-depth measures such as network segmentation, access control, and monitoring as recommended by CISA.
• Validate that browser and session protections are in place for users accessing the application.
• Track the CISA and vendor advisories for any updated mitigation guidance or product coverage changes.

Evidence notes

This debrief is based only on the supplied CISA CSAF advisory data and the linked official references. The advisory names Hitachi Energy Asset Suite version 9.6.4.4 as affected, describes attacker-supplied JavaScript execution in a user browser session, and recommends updating to 9.6.4.5 plus applying General Mitigation Factors/Workarounds. Published and modified dates in the provided corpus are both 2025-04-29T12:30:00Z. No KEV entry is present in the supplied data.

Official resources