CVE-2026-0003

Published Nov 10, 2026 CVSS 4.0 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Use of a per-part static key in the ASP Bootloader could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory potentially resulting in loss of confidentiality.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Static Key in ASP Bootloader Allows SEV Firmware Downgrade and Memory Decryption
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Vendors & Products Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Type Values Removed Values Added
Title Static Key in ASP Bootloader Allows SEV Firmware Downgrade and Memory Decryption
Type Values Removed Values Added
Title Static ASP Bootloader Key Allows SEV Firmware Downgrade and Memory Decryption
Type Values Removed Values Added
Title Static ASP Bootloader Key Allows SEV Firmware Downgrade and Memory Decryption
Type Values Removed Values Added
Description Use of a per-part static key in the ASP Bootloader could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory potentially resulting in loss of confidentiality.
Weaknesses CWE-321
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N'}