CVE-2024-55567

6.7 mediumEPSS 0.2%

Medium (6.7) in insyde insydeh2o. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.7 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2025-06-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

insyde:insydeh2o

References

https://www.insyde.com/security-pledge/sa-2024018/

Check your stack JSON