CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-20740
High (8.8). EPSS 3.1% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
- CWE
- CWE-78
- Published
- Modified
- Record from
- the NVD, synced
Affected
- hitachi:virtual_file_platform
- nec:nas_gateway_nh4a_firmware
- nec:nas_gateway_nh4b_firmware
- nec:nas_gateway_nh4c_firmware
- nec:nas_gateway_nh8a_firmware
- nec:nas_gateway_nh8b_firmware
- nec:nas_gateway_nh8c_firmware