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CVE-2021-33626 A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not…
Description
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| n/a | Versions not published | |
| RUGGEDCOM APE1808 - BIOS 1.0 | earliest → < 1.0.202N | 1.0.202N |
| SIMATIC Field PG M5 22.01 | earliest → < 22.01.10 | 22.01.10 |
| SIMATIC Field PG M6 26.01 | earliest → < 26.01.13 | 26.01.13 |
| SIMATIC IPC127E 27.01 | earliest → < 27.01.09 | 27.01.09 |
| SIMATIC IPC227G 28.01 | earliest → < 28.01.04 | 28.01.04 |
| SIMATIC IPC277G 28.01 | earliest → < 28.01.04 | 28.01.04 |
| SIMATIC IPC277G PRO 28.01 | earliest → < 28.01.04 | 28.01.04 |
| SIMATIC IPC327G 28.01 | earliest → < 28.01.04 | 28.01.04 |
Show the 10 other branches Hide the 10 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC IPC377G 28.01 | earliest → < 28.01.04 | 28.01.04 |
| SIMATIC IPC427E 21.01 | earliest → < 21.01.17 | 21.01.17 |
| SIMATIC IPC477E 21.01 | earliest → < 21.01.17 | 21.01.17 |
| SIMATIC IPC477E PRO 21.01 | earliest → < 21.01.17 | 21.01.17 |
| SIMATIC IPC627E 25.02 | earliest → < 25.02.12 | 25.02.12 |
| SIMATIC IPC647E 25.02 | earliest → < 25.02.12 | 25.02.12 |
| SIMATIC IPC677E 25.02 | earliest → < 25.02.12 | 25.02.12 |
| SIMATIC IPC847E 25.02 | earliest → < 25.02.12 | 25.02.12 |
| SIMATIC ITP1000 23.01 | earliest → < 23.01.10 | 23.01.10 |
| SIPLUS IPC427E 21.01 | earliest → < 21.01.17 | 21.01.17 |
References
- www.insyde.com www.insyde.com
- www.insyde.com www.insyde.com
- security.netapp.com security.netapp.com
- cert-portal.siemens.com cert-portal.siemens.com
Timeline
- Published
- Last modified
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