Vulnerability in AMD 3rd Gen Epyc™ Processors

CVE-2023-20566

Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-20566: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2023-20566?
CVE-2023-20566 is a medium-severity vulnerability in AMD 3rd Gen Epyc™ Processors. CVSS score: 5.3/10. Published 2023-11-14.
How severe is CVE-2023-20566?
Medium severity. CVSS v3 base score is 5.3 out of 10.