high7.8
CVE-2021-33626
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer …
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Insyde | Insydeh2o | from 5.3 before 5.34.44 from 5.2 before 5.25.44 from 5.1 before 5.16.25 from 5.4 before 5.42.44 from 5.3 before 5.35.25 from 5.2 before 5.26.25 |
| Siemens | Ruggedcom Apr1808 Firmware | All versions |
| Siemens | Simatic Field Pg M5 Firmware | All versions |
| Siemens | Simatic Field Pg M6 Firmware | All versions |
| Siemens | Simatic Ipc127e Firmware | All versions |
| Siemens | Simatic Ipc227g Firmware | All versions |
| Siemens | Simatic Ipc277g Firmware | All versions |
| Siemens | Simatic Ipc327g Firmware | All versions |
| Siemens | Simatic Ipc377g Firmware | All versions |
| Siemens | Simatic Ipc427e Firmware | All versions |
| Siemens | Simatic Ipc477e Firmware | All versions |
| Siemens | Simatic Ipc477e Pro Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220216-0006/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2021001
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220216-0006/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2021001
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html