CVE-2021-39298

HighCVSS 8.8/10Last modified Oct 7, 2026

Description

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 16, 2022
Last modified
Oct 7, 2026
NVD status
Modified

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CVE-2021-39298: High severity, CVSS 8.8 | Vulnix