CVE-2025-9661: Hitachi Virtual Storage One Block

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

OS command injection vulneravility in the management gui (maintenance utility) of Hitachi Virtual Storage Platform One Block 23, 24, 26 and 28. This issue affects Hitachi Virtual Storage Platform One Block 23/24/26/28: before DKCMAIN A3-04-21-40/00, ESM A3-04-21/00.

Affected products

• Hitachi Virtual Storage One Block: version 23 only; version 24 only; version 26 only; version 28 only

Published 2026-05-07. Last modified 2026-06-17.