What’s Vulnerable › Products

Hitachi Energy Relion REB500 vulnerabilities

4 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your Hitachi Energy Relion REB500 version is affected

Latest Hitachi Energy Relion REB500 vulnerabilities

• CVE-2026-2460 — (CVSS 8.1)
• CVE-2026-2459 — (CVSS 8.1)
• CVE-2022-3353 — IEC 61850 MMS-Server Vulnerability in multiple Hitachi Energy Products (CVSS 7.5)
• CVE-2021-27196 — Specially Crafted IEC 61850 Protocol Sequence Vulnerability (CVSS 7.5)