CVE-2024-21947

HIGHCVSS 7.5/10EPSS 0.13%

Last modified

CVE-2024-21947 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.13%

2.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2024-21947?
CVE-2024-21947 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21947?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21947?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST