CVE-2025-9661: Hitachi Virtual Storage Platform One Block 23 · OS Command Injection
Affects Hitachi Virtual Storage Platform One Block 23Source CVE Database V5
Not known to be exploited · CVSS 8.1 High : upgrade to DKCMAIN A3-04-21-40/00 soon.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.9% chance of exploitation in 30 days – higher than 59% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in DKCMAIN A3-04-21-40/00
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Hitachi Virtual Storage Platform One Block to DKCMAIN A3-04-21-40/00.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HitachiHitachi Virtual Storage Platform One Block 23 | Affected
| Fixed in
|
| HitachiHitachi Virtual Storage Platform One Block 24 | Affected
| Fixed in
|
| HitachiHitachi Virtual Storage Platform One Block 26 | Affected
| Fixed in
|
| HitachiHitachi Virtual Storage Platform One Block 28 | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict network access to the management GUI to trusted administrators only and monitor for suspicious activity. Avoid exposing the management interface to untrusted networks. Follow vendor communications closely for updates on remediation.
Description
CVE-2025-9661 is an OS command injection vulnerability in the management GUI (maintenance utility) of Hitachi Virtual Storage Platform One Block models 23, 24, 26, and 28. It allows an attacker to execute arbitrary OS commands due to improper neutralization of special elements. The vulnerability affects versions before DKCMAIN A3-04-21-40/00 and ESM A3-04-21/00. The CVSS score is 8.1, indicating high severity with potential for high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.