CVEvulnerability

CVE-2020-5955

9.8 CRITICAL Published 2021-11-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Affected configurations

• insyde insydeh2o uefi bios (< 05.32.30.0001) • insyde insydeh2o uefi bios (< 05.41.35.0001) • insyde insydeh2o uefi bios (< 05.42.11.0026) • insyde insydeh2o uefi bios (< 05.04.21.0068) • insyde insydeh2o uefi bios (< 05.42.09.0003) • insyde insydeh2o uefi bios (< 05.21.51.0040) • insyde insydeh2o uefi bios (< 05.34.09.0030) • insyde insydeh2o uefi bios (< 05.32.47.0001) • insyde insydeh2o uefi bios (< 05.23.45.0023) • insyde insydeh2o uefi bios (< 05.21.43.0001) • insyde insydeh2o uefi bios (< 05.23.04.0045) • insyde insydeh2o uefi bios (< 05.11.26.0015) • insyde insydeh2o uefi bios (< 05.12.09.0075) • insyde insydeh2o uefi bios (< 05.10.48.0001) • insyde insydeh2o uefi bios (< 05.05.39.0001) • insyde insydeh2o uefi bios (< 05.04.15.0001) • insyde insydeh2o uefi bios (< 05.23.27.0001)

References