CVE-2021-20740
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.11% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- hitachi/virtual file platform · nec/nas gateway nh4a firmware · nec/nas gateway nh8a firmware · nec/nas gateway nh4b firmware · nec/nas gateway nh8b firmware · nec/nas gateway nh4c firmware · nec/nas gateway nh8c firmware
- Source
- vultures@jpcert.or.jp
References
- https://jpn.nec.com/security-info/secinfo/nv21-011.htmlVendor Advisory
- https://jvn.jp/en/jp/JVN21298724/index.htmlThird Party Advisory
- https://www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.htmlVendor Advisory
- https://jpn.nec.com/security-info/secinfo/nv21-011.htmlVendor Advisory
- https://jvn.jp/en/jp/JVN21298724/index.htmlThird Party Advisory
- https://www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.