Description
A vulnerability exists in REB500 for an authenticated user with low-level privileges to access and alter the content of directories by using the DAC protocol that the user is not authorized to do so.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Hitachi Energy | Relion REB500 | 8.0.0.0 – ≤ 8.3.3.0 | — |
Advisories 2
- ICSA-26-062-02 Hitachi Energy Relion REB500 Product CISA ICS & IT advisories · Mar 3, 2026
- WID-SEC-2026-0511 Hitachi Energy Relion REB500: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Feb 24, 2026