RCE in Hitachi Virtual File Platform
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 remote authenticated attackers to execute arbitrary OS commands with root privileges via unspecified vectors.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Hitachi Virtual File Platform
- Hitachi And Nec Corporation Virtual File Platform Storage M Series Nas Gateway Which Uses — versions 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)
- Nec Nas Gateway Nh4a
- Nec Nas Gateway Nh4a Firmware
- Nec Nas Gateway Nh4b
- Nec Nas Gateway Nh4b Firmware
- Nec Nas Gateway Nh4c
- Nec Nas Gateway Nh4c Firmware
- Nec Nas Gateway Nh8a
- Nec Nas Gateway Nh8a Firmware
Weakness classification (CWE)
References
- www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.h… (Vendor Advisory)
- jpn.nec.com/security-info/secinfo/nv21-011.html (Vendor Advisory)
- jvn.jp/en/jp/JVN21298724/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20740?
- CVE-2021-20740 is a high-severity vulnerability in Hitachi Virtual File Platform, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-06-28.
- How severe is CVE-2021-20740?
- High severity. CVSS v3 base score is 8.8 out of 10.