CVE:CVE-2021-20740
CNNVD:CNNVD-202106-1404
Hitachi Virtual File Platform是日本日立（Hitachi）公司的一个虚拟文件平台。
Hitachi Virtual File Platform 存在操作系统命令注入漏洞，该漏洞源于输入验证不正确。经过远程身份验证的攻击者可以将特制数据传递给应用程序，并在目标系统上执行任意shell命令。
solution:Upgrade hitachi virtual_file_platform to a higher version than 6.4.3-09,5.5.3-09,and avoid the version (,6.4.3-09),(,5.5.3-09); Upgrade nec nas_gateway_nh4a_firmware to a higher version than fos_5.5.3-08\(nec2.5.4a\,and avoid the version (,fos_5.5.3-08\(nec2.5.4a\)); Upgrade nec nas_gateway_nh8a_firmware to a higher version than fos_5.5.3-08\(nec2.5.4a\,and avoid the version (,fos_5.5.3-08\(nec2.5.4a\)); Upgrade nec nas_gateway_nh4b_firmware to a higher version than fos_6.4.3-08\(nec3.4.2\,and avoid the version (,fos_6.4.3-08\(nec3.4.2\)); Upgrade nec nas_gateway_nh8b_firmware to a higher version than fos_6.4.3-08\(nec3.4.2\,and avoid the version (,fos_6.4.3-08\(nec3.4.2\)); Upgrade nec nas_gateway_nh4c_firmware to a higher version than fos_6.4.3-08\(nec3.4.2\,and avoid the version (,fos_6.4.3-08\(nec3.4.2\)); Upgrade nec nas_gateway_nh8c_firmware to a higher version than fos_6.4.3-08\(nec3.4.2\,and avoid the version (,fos_6.4.3-08\(nec3.4.2\))