VULNERABILITY INTELLIGENCE
CVE-2021-26387
CVSS score3.9 LOW
EPSS probability0.15%
CISA KEVNot currently listed
Published2024-08-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-863