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PatchSiren cyber security CVE debrief

CVE-2025-1484 Hitachi Energy CVE debrief

CVE-2025-1484 is a medium-severity vulnerability in the media upload component of Hitachi Energy Asset Suite. CISA’s advisory states that successful exploitation could affect confidentiality or integrity, and that an attacker can construct a request that causes attacker-supplied JavaScript to execute in a user’s browser within that user’s session. The affected product listed in the advisory is Asset Suite version 9.6.4.4, with remediation guidance to update to version 9.6.4.5 when available and to apply vendor mitigation/workaround guidance.

Vendor
Hitachi Energy
Product
Asset Suite 9 series
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2025-04-29
Original CVE updated
2025-04-29
Advisory published
2025-04-29
Advisory updated
2025-04-29

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-1484 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-1484

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-1484 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-1484

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-196-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-196-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.