What is CVE-2021-46767?

CVE-2021-46767 is a medium-severity vulnerability in AMD 2nd Gen Epyc, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2023-01-11.

How severe is CVE-2021-46767?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Improper input validation in AMD 2nd Gen Epyc

CVE-2021-46767

Insufficient input validation in the ASP may allow an attacker with physical access, unauthorized write access to memory potentially leading to a loss of integrity or denial of service.

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

Published 2023-01-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.9th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46767?: CVE-2021-46767 is a medium-severity vulnerability in AMD 2nd Gen Epyc, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2023-01-11.
How severe is CVE-2021-46767?: Medium severity. CVSS v3 base score is 6.1 out of 10.