Vulnerabilities > CVE-2021-26402 - Out-of-bounds Write vulnerability in AMD products

047910
CVSS 7.1 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
amd
CWE-787

Summary

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

Vulnerable Configurations

Part Description Count
OS
Amd
236
Hardware
Amd
50

Common Weakness Enumeration (CWE)