What is CVE-2023-20560?

CVE-2023-20560 is a medium-severity vulnerability in AMD Ryzen Master, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2023-08-15.

How severe is CVE-2023-20560?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Improper input validation in AMD Ryzen Master

CVE-2023-20560

Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may allow a privileged attacker to provide a null value potentially resulting in a Windows crash leading to denial of service.

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

Published 2023-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20560?: CVE-2023-20560 is a medium-severity vulnerability in AMD Ryzen Master, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2023-08-15.
How severe is CVE-2023-20560?: Medium severity. CVSS v3 base score is 4.4 out of 10.