Vulnerability in AMD Instinct™ Mi300x

CVE-2024-21927

Improper input validation in Satellite Management Controller (SMC) may allow an attacker with privileges to use certain special characters in manipulated Redfish® API commands, causing service processes like OpenBMC to crash and reset, potentially resulting in denial of service.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (19.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% 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-2024-21927: held from 0.003 to 0.003.

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

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21927?
CVE-2024-21927 is a medium-severity vulnerability in AMD Instinct™ Mi300x, classified under CWE-241. CVSS score: 5.0/10. Published 2025-09-23.
How severe is CVE-2024-21927?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2024-21927 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.