Hitachi Energy REB500: 2 CVEs, Medium 6.5
Summary
CISA reports 2 vulnerabilities in Hitachi Energy REB500. Weakness types: Uncontrolled Recursion, Allocation of Resources Without Limits or Throttling. Hitachi Energy is aware of open-source software vulnerabilities that affect REB500 product versions listed in this document. These vulnerabilities can be exploited to carry out Denial of Service (DoS) attack on the product. Highest CVSS v3 score: 6.5 (Medium), exploitable over the network.
At a glance
- Vendor
- Hitachi Energy
- Products
- REB500
- CVEs
- CVE-2024-8176, CVE-2025-59375
- Highest CVSS v3
- 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-2024-8176 | Uncontrolled Recursion | 6.5 | – | No | CVE-2024-8176 |
| CVE-2025-59375 | Allocation of Resources Without Limits or Throttling | 6.5 | – | No | CVE-2025-59375 |
Affected products (1)
- REB500 versions 8.3.3.1 and prior
Vendor fixes and mitigations (from advisory)
- Vendor Fix: Update to version 8.3.4.0
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-26-279-05
- Machine-readable CSAF record
- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000235&LanguageCode=en&Document
- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000247&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.