CVE-2020-5955

9.8 criticalEPSS 1.4%

Critical (9.8) in insyde insydeh2o uefi bios. EPSS 1.4% chance of exploitation in the next 30 days.

An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges.

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: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
Published: 2021-11-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

insyde:insydeh2o_uefi_bios

References

https://security.netapp.com/advisory/ntap-20220223-0003/
https://www.insyde.com/products
https://www.insyde.com/security-pledge/SA-2021002
https://security.netapp.com/advisory/ntap-20220223-0003/
https://www.insyde.com/products

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