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PatchSiren cyber security CVE debrief

CVE-2024-2462 Hitachi Energy CVE debrief

CVE-2024-2462 is a medium-severity issue in Hitachi Energy’s ECST client ecosystem affecting ECST, UNEM, and XMC20 versions listed in the advisory. The vendor states that, if exploited, the flaw could allow an attacker to intercept or falsify data exchanges between the client and the server. Hitachi Energy provides version-specific updates for supported releases and advises applying general mitigation factors, while some end-of-life UNEM versions have no fix planned.

Vendor
Hitachi Energy
Product
XMC20
CVSS
MEDIUM 4.9
CISA KEV
Not listed in stored evidence
Original CVE published
2024-06-11
Original CVE updated
2024-06-11
Advisory published
2024-06-11
Advisory updated
2024-06-11

Who should care

Operators, integrators, and administrators running Hitachi Energy ECST, UNEM, or XMC20 in industrial control or OT environments should prioritize this advisory, especially where client workstations are reachable by unauthorized users or where physical access controls are weak.

Technical summary

The supplied advisory describes a vulnerability in the ECST client application that can affect integrity and confidentiality of client-server communications by enabling interception or falsification of exchanged data. The advisory’s CVSS vector (AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H) indicates that physical access and user interaction are required. Affected products listed in the source include ECST versions below 16.2.1, XMC20 below R16B, and several UNEM release lines. Remediation is product-specific: update supported releases to the fixed versions named by the vendor, and apply general mitigation factors for releases without a direct fix.

Defensive priority

Medium

Recommended defensive actions

  • Update ECST to version 16.2.1 or later.
  • Update XMC20 to R16B or later.
  • Update UNEM to the vendor-specified fixed release for your branch, such as R16B PC3+ or R15B PC5+ where applicable.
  • For UNEM R16A/R15A and other end-of-life versions, plan migration to a supported release; the advisory states no fix will be available for EOL versions.
  • Apply the vendor’s general mitigation factors and CISA ICS recommended practices, including defense-in-depth controls and restricted access to affected client systems.

Evidence notes

The vulnerability description, affected versions, and remediation language come from the supplied CISA CSAF source item and its referenced vendor advisory. The supplied metadata includes the CVSS vector AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H, which supports the characterization of a physically accessible, user-interaction-dependent issue. The CVE published and modified timestamps are both 2024-06-11T12:30:00.000Z, and the source revision history shows initial version 1.0.0 on 2024-06-11. Although the raw source file path is under a 2025 directory, this debrief uses the CVE/publication timestamps and revision history for timing context. No KEV entry or known ransomware campaign use is present in the supplied enrichment.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-2462 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-2462

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

  • CVE-2024-2462 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-2462

    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-25-063-05.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-063-05

    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.