Vulnerability in Amd 4th Gen Epyc™ Processors
CVE-2021-46766
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
EPSS: 0.000 (10.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N.
Affected products
- Amd 4th Gen Epyc™ Processors — versions various
- Amd Epyc™ Embedded 9003 — versions various
- Amd Ryzen™ Threadripper™ Pro 3000wx Series Processors “Chagall” Ws — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-46766?
- CVE-2021-46766 is a low-severity vulnerability in Amd 4th Gen Epyc™ Processors. CVSS score: 2.5/10. Published 2023-11-14.
- How severe is CVE-2021-46766?
- Low severity. CVSS v3 base score is 2.5 out of 10.