Eaton easyE4 PLC offers a device password protection functionality to facilitate a secure connection and prevent unauthorized access. It was observed that the device password was stored with a weak encoding algorithm in the easyE4 program file when exported to SD card (*.PRG file ending).
Metrics
CVSS Version: 3.1 |
Base Score: 6.8 MEDIUM Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
l➤ Exploitability Metrics: Attack Vector (AV)* PHYSICAL Attack Complexity (AC)* HIGH Privileges Required (PR)* HIGH User Interaction (UI)* REQUIRED Scope (S)* CHANGED
l➤ Impact Metrics: Confidentiality Impact (C)* HIGH Integrity Impact (I)* HIGH Availability Impact (A)* HIGH