What is CVE-2021-46766?

CVE-2021-46766 is a low-severity vulnerability in Amd 4th Gen Epyc™ Processors, classified under Incomplete Cleanup. 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.

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: 0.002 (13.6th 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 Epyc_9124
Amd Epyc_9124_firmware
Amd Epyc_9174f
Amd Epyc_9174f_firmware
Amd Epyc_9184x
Amd Epyc_9184x_firmware
Amd Epyc_9224
Amd Epyc_9224_firmware

Weakness classification (CWE)

CWE-459 — Incomplete Cleanup

References

psirt@amd.com (vendor-advisory, Vendor Advisory)
psirt@amd.com (vendor-advisory, Vendor Advisory)
psirt@amd.com (vendor-advisory)

Frequently asked questions

What is CVE-2021-46766?: CVE-2021-46766 is a low-severity vulnerability in Amd 4th Gen Epyc™ Processors, classified under Incomplete Cleanup. 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.