CVE-2021-41842

9.8 criticalEPSS 1.6%

Critical (9.8) in insyde insydeh2o. EPSS 1.6% chance of exploitation in the next 30 days.

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
Published: 2022-01-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

insyde:insydeh2o

References

https://security.netapp.com/advisory/ntap-20220223-0002/
https://www.insyde.com/security-pledge
https://security.netapp.com/advisory/ntap-20220223-0002/
https://www.insyde.com/security-pledge

Check your stack JSON