How severe is CVE-2024-21927?

CVE-2024-21927 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-21927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21927 have an EU (EUVD) identifier?

Yes. CVE-2024-21927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19533.

When was CVE-2024-21927 published?

CVE-2024-21927 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2024-21927

CVE-2024-21927 is a medium-severity vulnerability with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-241.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19533
Weakness: CWE-241
Published: 2025-09-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2024-21927?: CVE-2024-21927 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-21927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21927 have an EU (EUVD) identifier?: Yes. CVE-2024-21927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19533.
When was CVE-2024-21927 published?: CVE-2024-21927 was published on 2025-09-23 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6016.html

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