CVE-2024-55567

MEDIUMCVSS 6.7/10EPSS 0.13%

Last modified

CVE-2024-55567 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

Metrics

CVSS 3.1
6.7/10

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

EPSS Probability
0.13%

3.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
InsydeInsydeh2o>= 5.4, < 5.4.05.47.01
InsydeInsydeh2o>= 5.5, < 5.5.05.55.01
InsydeInsydeh2o>= 5.6, < 5.6.05.62.01
InsydeInsydeh2o>= 5.7, < 5.7.05.71.01

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-55567?
Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.
How severe is CVE-2024-55567?
CVE-2024-55567 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2024-55567?
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-2024-55567?

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

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Source: NVD / NIST