CVE-2021-26387

LowCVSS 3.9/10Last modified Jun 17, 2026

Description

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Metrics

CVSS 3.1 3.9/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 13, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2021

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CVE-2021-26387: Low severity, CVSS 3.9 | Vulnix