CVE-2020-5955

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductInsydeh2o Uefi Bios
PublishedNov 3, 2021
First seenNov 3, 2021

How to fix

Update
  • insyde insydeh2o_uefi_bios05.32.30.0001, 05.41.35.0001, 05.42.11.0026, 05.04.21.0068, 05.42.09.0003, 05.21.51.0040, 05.34.09.0030, 05.32.47.0001, 05.23.45.0023, 05.21.43.0001, 05.23.04.0045, 05.11.26.0015, 05.12.09.0075, 05.10.48.0001, 05.05.39.0001, 05.04.15.0001, 05.23.27.0001 or later

Affected products

ProductAffected versionsFixed in
insyde insydeh2o_uefi_biosv < 05.32.30.0001, v < 05.41.35.0001, v < 05.42.11.0026, v < 05.04.21.0068, v < 05.42.09.0003, v < 05.21.51.0040, v < 05.34.09.0030, v < 05.32.47.0001, v < 05.23.45.0023, v < 05.21.43.0001, v < 05.23.04.0045, v < 05.11.26.0015, v < 05.12.09.0075, v < 05.10.48.0001, v < 05.05.39.0001, v < 05.04.15.0001, v < 05.23.27.000105.32.30.0001, 05.41.35.0001, 05.42.11.0026, 05.04.21.0068, 05.42.09.0003, 05.21.51.0040, 05.34.09.0030, 05.32.47.0001, 05.23.45.0023, 05.21.43.0001, 05.23.04.0045, 05.11.26.0015, 05.12.09.0075, 05.10.48.0001, 05.05.39.0001, 05.04.15.0001, 05.23.27.0001

Check your version

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