{"cve":"CVE-2021-20740","nvd":{"published":"2021-06-28T01:15:07.440","modified":"2026-06-17T03:34:21.090","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-78"],"references":["https://jpn.nec.com/security-info/secinfo/nv21-011.html","https://jvn.jp/en/jp/JVN21298724/index.html","https://www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.html","https://jpn.nec.com/security-info/secinfo/nv21-011.html","https://jvn.jp/en/jp/JVN21298724/index.html"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-20740","score":0.0311,"percentile":0.87791,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}