{"id":"CVE-2021-20740","aliases":["EUVD-2021-8154","GHSA-8282-v8xm-6qqp"],"status":"published","title":"Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0311,"percentile":0.87959,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-06-28T00:50:31Z","modified":"2026-06-17T03:34:21Z","products":[{"vendor":"hitachi","product":"virtual_file_platform"},{"vendor":"hitachi and nec corporation","product":"hitachi virtual file platform and nec storage m series nas gateway which uses hitachi virtual file platform"},{"vendor":"nec","product":"nas_gateway_nh4a_firmware"},{"vendor":"nec","product":"nas_gateway_nh4b_firmware"},{"vendor":"nec","product":"nas_gateway_nh4c_firmware"},{"vendor":"nec","product":"nas_gateway_nh8a_firmware"},{"vendor":"nec","product":"nas_gateway_nh8b_firmware"},{"vendor":"nec","product":"nas_gateway_nh8c_firmware"}],"references":[{"url":"https://www.hitachi.co.jp/products/it/storage-solutions/global/sec_info/2021/2021_306.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jpn.nec.com/security-info/secinfo/nv21-011.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN21298724/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20740"},{"url":"https://github.com/advisories/GHSA-8282-v8xm-6qqp"}],"sources":{"cve":[{"id":"CVE-2021-20740","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.","status":"published","published":"2021-06-28T00:50:31Z","modified":"2024-08-03T17:53:21.922Z","updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-8154","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.","status":"published","published":"2021-06-28T00:50:31Z","modified":"2024-08-03T17:53:21Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-8282-v8xm-6qqp","title":"Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC...","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.","status":"published","published":"2022-05-24T19:06:28Z","modified":"2023-01-30T05:00:33Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:46:13.539888Z"}],"nvd":[{"id":"CVE-2021-20740","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.","status":"published","published":"2021-06-28T01:15:07.44Z","modified":"2026-06-17T03:34:21.09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}