Vulnerability in AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics

CVE-2024-21947

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% 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-2024-21947: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21947?
CVE-2024-21947 is a high-severity vulnerability in AMD Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics, classified under CWE-1220. CVSS score: 7.5/10. Published 2025-09-06.
How severe is CVE-2024-21947?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-21947 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.