CVE-2024-21927Network attack vector

Authenticated service reset via special-character Redfish commands

Published Sep 23, 2025 · Updated Sep 23, 2025

Improper input validation in the AMD Instinct MI300X SMC allows remote authenticated users to reset management services via Redfish commands. The SMC mishandles certain special characters in manipulated Redfish API commands, causing service processes such as OpenBMC to crash and reset. Low-privileged Redfish access is required, and the reported consequence is a temporary management-service interruption without data disclosure or modification.

CVSS severity5.3
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in the AMD Instinct MI300X SMC allows remote authenticated users to reset management services via Redfish commands. The SMC mishandles certain special characters in manipulated Redfish API commands, causing service processes such as OpenBMC to crash and reset. Low-privileged Redfish access is required, and the reported consequence is a temporary management-service interruption without data disclosure or modification.

The record

CVE
CVE-2024-21927
Published
Sep 23, 2025
Updated
Sep 23, 2025
Vendor
Advanced Micro Devices, Inc.
Product
AMD Instinct™ MI300X
Classifications
CWE-241, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Advanced Micro Devices, Inc. · AMD Instinct™ MI300XAffected versions are unavailable in this record.

Published CVSS scores

5.0AMDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
5.3AMDCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-241Improper Handling of Unexpected Data Type
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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