CVE-2023-20596

CVSS 3.1 Score 9.8 of 10 (high)

Details

Published Nov 14, 2023
Updated: Nov 21, 2023

Summary

CVE-2023-20596 is a vulnerability affecting the SMM (System Management Mode) Supervisor. An attacker who manages to compromise an SMI (System Management Interrupt) handler can exploit improper input validation, allowing them to gain Ring0 access, which could result in arbitrary code execution. This vulnerability poses a serious threat to system security, as Ring0 is the most privileged level of access in a computer system. It is crucial for organizations to apply the necessary patches to mitigate this risk.

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