CVE-2021-38394 Information

Description

An attacker with physical access to the device can extract the binary that checks for the hardware key and reverse engineer it which could be used to create a physical duplicate of a valid hardware key. The hardware key allows access to special settings when inserted.

CVSS Vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://us-cert.cisa.gov/ics/advisories/icsma-21-273-01

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.4