CVE-2020-5953
03.02.2022, 01:15
A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).Enginsight
| Vendor | Product | Version |
|---|---|---|
| insyde | insydeh2o | 5.12.09.0074 |
| insyde | insydeh2o | 5.23.04.0045 |
| insyde | insydeh2o | 5.23.45.0023 |
| insyde | insydeh2o | 5.33.15.0034 |
| insyde | insydeh2o | 5.34.03.0029 |
| insyde | insydeh2o | 5.42.03.0010 |
| siemens | ruggedcom_ape1808_firmware | - |
| siemens | simatic_field_pg_m6_firmware | - |
| siemens | simatic_ipc127e_firmware | - |
| siemens | simatic_ipc227g_firmware | - |
| siemens | simatic_ipc277g_firmware | - |
| siemens | simatic_itp1000_firmware | - |
| siemens | simatic_ipc477e_pro_firmware | - |
| siemens | simatic_ipc627e_firmware | - |
| siemens | simatic_ipc647e_firmware | - |
| siemens | simatic_ipc677e_firmware | - |
| siemens | simatic_ipc847e_firmware | - |
| siemens | simatic_ipc327g_firmware | - |
| siemens | simatic_ipc377g_firmware | - |
| siemens | simatic_ipc427e_firmware | - |
| siemens | simatic_ipc477e_firmware | - |
| siemens | simatic_field_pg_m5_firmware | - |
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= Vulnerable software versions
References