CVE-2021-45969
05.01.2022, 23:15
An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| insyde | insydeh2o | 5.1 ≤ 𝑥 < 5.16.25 |
| insyde | insydeh2o | 5.2 ≤ 𝑥 < 5.26.25 |
| insyde | insydeh2o | 5.3 ≤ 𝑥 < 5.35.25 |
| insyde | insydeh2o | 5.4 ≤ 𝑥 < 5.43.25 |
| insyde | insydeh2o | 5.5 ≤ 𝑥 < 05.51.25 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| Siemens | RUGGEDCOM APE1808 - BIOS | 𝑥 < V1.0.202N | ADP |
| 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 |
Common Weakness Enumeration
References