CVE-2021-38576

Description

A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.

CVSS Version 3.1

nvd

CVE ID: CVE-2021-38576
Base Score: 7.5
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9

CVSS Version 2.0

nvd

CVE ID: CVE-2021-38576
Base Score: 7.8
Base Severity: HIGH
Vector String:AV:N/AC:L/Au:N/C:N/I:N/A:C

Refrence: NVD