CVE:CVE-2020-5953
CNNVD:CNNVD-202202-121
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个 C 语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的 BIOS（基本输入/输出系统）。
Insyde InsydeH2O Hardware-2-Operating System (H2O) UEFI固件存在安全漏洞，该漏洞源于位于 SWSMI 处理程序中的 InsydeH2O UEFI 固件代码的系统管理中断 (SWSMI) 处理程序取消引用 gRT (EFI_RUNTIME_SERVICES) 指针以调用位于 SMRAM 之外的 GetVariable 服务。
solution:Upgrade insyde insydeh2o to a higher version than 5.12.09.0074,5.23.04.0045,5.23.45.0023,5.33.15.0034,5.34.03.0029,5.42.03.0010,and avoid the version 5.12.09.0074,5.23.04.0045,5.23.45.0023,5.33.15.0034,5.34.03.0029,5.42.03.0010; Upgrade siemens ruggedcom_ape1808_firmware to a higher version than -; Upgrade siemens simatic_field_pg_m6_firmware to a higher version than -; Upgrade siemens simatic_ipc127e_firmware to a higher version than -; Upgrade siemens simatic_ipc227g_firmware to a higher version than -; Upgrade siemens simatic_ipc277g_firmware to a higher version than -; Upgrade siemens simatic_itp1000_firmware to a higher version than -; Upgrade siemens simatic_ipc477e_pro_firmware to a higher version than -; Upgrade siemens simatic_ipc627e_firmware to a higher version than -; Upgrade siemens simatic_ipc647e_firmware to a higher version than -; Upgrade siemens simatic_ipc677e_firmware to a higher version than -; Upgrade siemens simatic_ipc847e_firmware to a higher version than -; Upgrade siemens simatic_ipc327g_firmware to a higher version than -; Upgrade siemens simatic_ipc377g_firmware to a higher version than -; Upgrade siemens simatic_ipc427e_firmware to a higher version than -; Upgrade siemens simatic_ipc477e_firmware to a higher version than -; Upgrade siemens simatic_field_pg_m5_firmware to a higher version than -