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
Affected Products (NVD)
| 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 | - |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| Siemens | SIMATIC Field PG M5 | 𝑥 < V22.01.10 | ADP |
| Siemens | SIMATIC Field PG M6 | 𝑥 < V26.01.13 | ADP |
| Siemens | SIMATIC IPC127E | 𝑥 < V27.01.09 | ADP |
| Siemens | SIMATIC IPC227G | 𝑥 < V28.01.04 | ADP |
| Siemens | SIMATIC IPC277G | 𝑥 < V28.01.04 | ADP |
| Siemens | SIMATIC IPC277G PRO | 𝑥 < V28.01.04 | ADP |
| Siemens | SIMATIC IPC327G | 𝑥 < V28.01.04 | ADP |
| Siemens | SIMATIC IPC377G | 𝑥 < V28.01.04 | ADP |
| Siemens | SIMATIC IPC427E | 𝑥 < V21.01.17 | ADP |
| Siemens | SIMATIC IPC477E | 𝑥 < V21.01.17 | ADP |
| Siemens | SIMATIC IPC477E PRO | 𝑥 < V21.01.17 | ADP |
| Siemens | SIMATIC IPC627E | 𝑥 < V25.02.12 | ADP |
| Siemens | SIMATIC IPC647E | 𝑥 < V25.02.12 | ADP |
| Siemens | SIMATIC IPC677E | 𝑥 < V25.02.12 | ADP |
| Siemens | SIMATIC IPC847E | 𝑥 < V25.02.12 | ADP |
| Siemens | SIMATIC ITP1000 | 𝑥 < V23.01.10 | ADP |
| Siemens | SIPLUS IPC427E | 𝑥 < V21.01.17 | ADP |
References