CVE-2021-33626
- State
- Published
- Severity
- Not scored
- Published
- Oct 1, 2021
- Updated
- Aug 11, 2026
- Reserved
- May 28, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2021001
- https://security.netapp.com/advisory/ntap-20220216-0006/
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html
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