CVE-2021-46754

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker...

9.1 Critical

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive information to the SMU (System Management Unit) resulting in a potential loss of confidentiality and integrity.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.56%Up 0.5 points since May 10, 2023

What each source reports

NVD Score used 9.1

Record: CVE-2021-46754
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-46754
Updated: 2026-11-02

EUVDEUVD-2021-33410 No score

Record: EUVD-2021-33410
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gqvv-8rrx-g836 9.1

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker...

Record: GHSA-gqvv-8rrx-g836
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-20
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-46754 is a critical vulnerability (CVSS 9.1) in Amd Ryzen™ Embedded R1000, published May 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.