CVE:CVE-2021-33626
CNNVD:CNNVD-202109-2000
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 5.x 存在安全漏洞，该漏洞源于SMM驱动程序没有正确验证CommBuffer和CommBufferSize参数，允许攻击者损坏固件或操作系统内存。
solution:Upgrade insyde insydeh2o to a higher version than 5.34.44,5.25.44,5.16.25,5.42.44,5.35.25,5.26.25,5.43.25,and avoid the version [5.3,5.34.44),[5.2,5.25.44),[5.1,5.16.25),[5.4,5.42.44),[5.3,5.35.25),[5.2,5.26.25),[5.4,5.43.25); Upgrade siemens ruggedcom_apr1808_firmware to a higher version than -; Upgrade siemens simatic_field_pg_m5_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_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_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_itp1000_firmware to a higher version than -