OS command injection in Hitachi Virtual File Platform and NEC Storage M Series NAS…
Priority MEDIUM 44CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC Storage M Series NAS Gateway Nh4a/Nh8a versions prior to FOS 5.5.3-08(NEC2.5.4a) and Nh4b/Nh8b, Nh4c/Nh8c versions prior to FOS 6.4.3-08(NEC3.4.2) allow remote authenticated attackers to execute arbitrary OS commands with root privileges via unspecified vectors.
Why it matters now
EPSS 0.0311 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hitachi and NEC Corporation | Hitachi Virtual File Platform and NEC Storage M Series NAS Gateway which uses Hitachi Virtual File Platform | Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC Storage M Series NAS Gateway Nh4a/Nh8a versions prior to FOS 5.5.3-08(NEC2.5.4a) and Nh4b/Nh8b, Nh4c/Nh8c versions prior to FOS 6.4.3-08(NEC3.4.2) | — | No fix listed | CNA |
- Hitachi Virtual File Platform and NEC Storage M Series NAS Gateway which uses Hitachi Virtual File Platform VendorHitachi and NEC Corporation Affected Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC Storage M Series NAS Gateway Nh4a/Nh8a versions prior to FOS 5.5.3-08(NEC2.5.4a) and Nh4b/Nh8b, Nh4c/Nh8c versions prior to FOS 6.4.3-08(NEC3.4.2) Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:* | before 6.4.3-09; before 5.5.3-09 | Vulnerable | Hitachi |
| cpe:2.3:o:nec:nas_gateway_nh4a_firmware:*:*:*:*:*:*:*:* | before fos_5.5.3-08\(nec2.5.4a\) | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:nas_gateway_nh4a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:o:nec:nas_gateway_nh8a_firmware:*:*:*:*:*:*:*:* | before fos_5.5.3-08\(nec2.5.4a\) | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:nas_gateway_nh8a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:o:nec:nas_gateway_nh4b_firmware:*:*:*:*:*:*:*:* | before fos_6.4.3-08\(nec3.4.2\) | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:nas_gateway_nh4b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:o:nec:nas_gateway_nh8b_firmware:*:*:*:*:*:*:*:* | before fos_6.4.3-08\(nec3.4.2\) | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:nas_gateway_nh8b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:o:nec:nas_gateway_nh4c_firmware:*:*:*:*:*:*:*:* | before fos_6.4.3-08\(nec3.4.2\) | Vulnerable | NEC Corporation |
- cpe:2.3:a:hitachi:virtual_file_platform:*:*:*:*:*:*:*:* Versions before 6.4.3-09; before 5.5.3-09 Vulnerable ·Hitachi
- cpe:2.3:o:nec:nas_gateway_nh4a_firmware:*:*:*:*:*:*:*:* Versions before fos_5.5.3-08\(nec2.5.4a\) Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:nas_gateway_nh4a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:o:nec:nas_gateway_nh8a_firmware:*:*:*:*:*:*:*:* Versions before fos_5.5.3-08\(nec2.5.4a\) Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:nas_gateway_nh8a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:o:nec:nas_gateway_nh4b_firmware:*:*:*:*:*:*:*:* Versions before fos_6.4.3-08\(nec3.4.2\) Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:nas_gateway_nh4b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:o:nec:nas_gateway_nh8b_firmware:*:*:*:*:*:*:*:* Versions before fos_6.4.3-08\(nec3.4.2\) Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:nas_gateway_nh8b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:o:nec:nas_gateway_nh4c_firmware:*:*:*:*:*:*:*:* Versions before fos_6.4.3-08\(nec3.4.2\) Vulnerable ·NEC Corporation
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:nec:nas_gateway_nh4c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
| cpe:2.3:o:nec:nas_gateway_nh8c_firmware:*:*:*:*:*:*:*:* | before fos_6.4.3-08\(nec3.4.2\) | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:nas_gateway_nh8c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
- cpe:2.3:h:nec:nas_gateway_nh4c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
- cpe:2.3:o:nec:nas_gateway_nh8c_firmware:*:*:*:*:*:*:*:* Versions before fos_6.4.3-08\(nec3.4.2\) Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:nas_gateway_nh8c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20740
- 2026-10-03 Alias added: GHSA-8282-v8xm-6qqp
References
Sources
- CVE-2021-20740 · CVE Program
- CVE-2021-20740 · NVD
- FIRST EPSS
- GHSA-8282-v8xm-6qqp · GitHub Advisory Database · CC BY 4.0
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