What is CVE-2021-46771?

CVE-2021-46771 is a high-severity vulnerability in Amd 3rd Gen Epyc™, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-05-10.

How severe is CVE-2021-46771?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Amd 3rd Gen Epyc™

CVE-2021-46771

Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Amd 3rd Gen Epyc™ — versions unspecified
Amd Epyc_72f3
Amd Epyc_72f3_firmware
Amd Epyc_7313
Amd Epyc_7313_firmware
Amd Epyc_7313p
Amd Epyc_7313p_firmware
Amd Epyc_7343
Amd Epyc_7343_firmware
Amd Epyc_7373x

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46771?: CVE-2021-46771 is a high-severity vulnerability in Amd 3rd Gen Epyc™, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2022-05-10.
How severe is CVE-2021-46771?: High severity. CVSS v3 base score is 7.8 out of 10.