Hitachi Energy APM Edge Product: 2 CVEs, High 8.8
Summary
CISA reports 2 vulnerabilities in Hitachi Energy APM Edge. Weakness types: Write-what-where Condition, Out-of-bounds Write. Hitachi Energy is aware of Dirty Frag vulnerabilities that affect APM Edge product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and availability of the product. Highest CVSS v3 score: 8.8 (High), not remotely exploitable per its CVSS vector.
At a glance
- Vendor
- Hitachi Energy
- Products
- APM Edge
- CVEs
- CVE-2026-43284, CVE-2026-43500
- Highest CVSS v3
- 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Highest CVSS v4
- –
- Known exploited (KEV)
- No CVE from this advisory is on the KEV list as of the last refresh
- Sectors (per CISA)
- Energy
- Deployed
- Worldwide
- Vendor HQ
- Switzerland
Vulnerabilities
| CVE | Weakness | CVSS v3 | CVSS v4 | KEV | Description (from advisory) |
|---|---|---|---|---|---|
| CVE-2026-43284 | Write-what-where Condition | 8.8 | – | No | CVE-2026-43284 |
| CVE-2026-43500 | Out-of-bounds Write | 7.8 | – | No | CVE-2026-43500 |
Affected products (1)
- APM Edge versions 6.10 and prior
Vendor fixes and mitigations (from advisory)
- Mitigation: Disable the esp4 and esp6 modules [2]
- Mitigation: Disable the rxrpc module [2]
Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.
Sources
- CISA advisory ICSA-26-225-04
- Machine-readable CSAF record
- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000235&LanguageCode=en&Document
- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000256&LanguageCode=en&Document
- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000256&LanguageCode=en&Document
This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.