Insyde Security Advisory 2022027

Insyde ID Advisory Category Impact of Vulnerability Severity Rating Original Date Last Revised
INSYDE-SA-2022027 Software CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N 6.5 02/21/2022 02/21/2022


User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege.

Vulnerability Details


This issue corresponds to CVE-2021-43613. It affects the SysPasswordDxe driver. It was found by a 3rd party. It was fixed in the InsydeH2O kernel: Kernel 5.1: 05.17.03, Kernel 5.2: 05.27.03, Kernel 5.3: 05.36.03, Kernel 5.4: 05.43.46, Kernel 5.5: 05.51.46

Revision History:

Revision Date Description
1.0 02/21/2022 Initial Release
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