Description
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).
Scores
CVSS v3
6.8
EPSS
0.0003
EPSS Percentile
7.8%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-326
CWE-261
Status
published
Products (22)
eaton/easy-box-e4-ac1_firmware
< 2.02
eaton/easy-box-e4-dc1_firmware
< 2.02
eaton/easy-box-e4-uc1_firmware
< 2.02
eaton/easy-e4-ac-12rc1p_firmware
< 2.02
eaton/easy-e4-ac-12rcx1p_firmware
< 2.02
eaton/easy-e4-ac-16re1p_firmware
< 2.02
eaton/easy-e4-dc-12tc1p_firmware
< 2.02
eaton/easy-e4-dc-12tcx1p_firmware
< 2.02
eaton/easy-e4-dc-16te1p_firmware
< 2.02
eaton/easy-e4-dc-4pe1p_firmware
< 2.02
... and 12 more
Published
Oct 17, 2023
Tracked Since
Feb 18, 2026