medium
6.8
CWE
261 326
Advisory Published
Updated

CVE-2023-43776: Weak encoding vulnerability in easyE4

First published: Tue Oct 17 2023(Updated: )

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).

Credit: CybersecurityCOE@eaton.com CybersecurityCOE@eaton.com

Affected SoftwareAffected VersionHow to fix
Eaton Easy-box-e4-ac1 Firmware<2.02
Eaton Easy-box-e4-ac1
Eaton Easy-box-e4-dc1 Firmware<2.02
Eaton Easy-box-e4-dc1
Eaton Easy-box-e4-uc1 Firmware<2.02
Eaton Easy-box-e4-uc1
Eaton Easy-e4-ac-12rc1p Firmware<2.02
Eaton Easy-e4-ac-12rc1p
Eaton Easy-e4-ac-12rcx1p Firmware<2.02
Eaton Easy-e4-ac-12rcx1p
Eaton Easy-e4-ac-16re1p Firmware<2.02
Eaton Easy-e4-ac-16re1p
Eaton Easy E4-ac-8re1p Firmware<2.02
Eaton Easy E4-ac-8re1p
Eaton Easy-e4-dc-12tc1p Firmware<2.02
Eaton Easy-e4-dc-12tc1p
Eaton Easy-e4-dc-12tcx1p Firmware<2.02
Eaton Easy-e4-dc-12tcx1p
Eaton Easy-e4-dc-16te1p Firmware<2.02
Eaton Easy-e4-dc-16te1p
Eaton Easy-e4-dc-4pe1p Firmware<2.02
Eaton Easy-e4-dc-4pe1p
Eaton Easy-e4-dc-6ae1p Firmware<2.02
Eaton Easy-e4-dc-6ae1p
Eaton Easy-e4-dc-8te1p Firmware<2.02
Eaton Easy-e4-dc-8te1p
Eaton Easy-e4-uc-12rc1p Firmware<2.02
Eaton Easy-e4-uc-12rc1p
Eaton Easy-e4-uc-12rcx1p Firmware<2.02
Eaton Easy-e4-uc-12rcx1p
Eaton Easy-e4-uc-16re1 Firmware<2.02
Eaton Easy-e4-uc-16re1
Eaton Easy-e4-uc-16re1p Firmware<2.02
Eaton Easy-e4-uc-16re1p
Eaton Easy-e4-uc-8re1p Firmware<2.02
Eaton Easy-e4-uc-8re1p
Eaton Xv-102-a035tqrb-1e4 Firmware<2.02
Eaton Xv-102-a035tqrb-1e4
Eaton Xv-102-a3-57tvrb-1e4 Firmware<2.02
Eaton Xv-102-a3-57tvrb-1e4
Eaton Xv100-box-e4-dc1 Firmware<2.02
Eaton Xv100-box-e4-dc1
Eaton Xv100-box-e4-uc1 Firmware<2.02
Eaton Xv100-box-e4-uc1

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2023-43776.

  • What is the severity level of CVE-2023-43776?

    The severity level of CVE-2023-43776 is medium with a score of 6.8.

  • How does CVE-2023-43776 impact Eaton easyE4 PLC?

    CVE-2023-43776 impacts Eaton easyE4 PLC by storing the device password with a weak encoding algorithm in the program file when exported to SD card.

  • What is the affected software by CVE-2023-43776?

    The affected software by CVE-2023-43776 includes Eaton Easy-box-e4-ac1, Eaton Easy-box-e4-dc1, Eaton Easy-box-e4-uc1, Eaton Easy-e4-ac-12rc1p, Eaton Easy-e4-ac-12rcx1p, Eaton Easy-e4-ac-16re1p, Eaton Easy E4-ac-8re1p, Eaton Easy-e4-dc-12tc1p, Eaton Easy-e4-dc-12tcx1p, Eaton Easy-e4-dc-16te1p, Eaton Easy-e4-dc-4pe1p, Eaton Easy-e4-dc-6ae1p, Eaton Easy-e4-dc-8te1p, Eaton Easy-e4-uc-12rc1p, Eaton Easy-e4-uc-12rcx1p, Eaton Easy-e4-uc-16re1, Eaton Easy-e4-uc-16re1p, Eaton Easy-e4-uc-8re1p, Eaton Xv-102-a035tqrb-1e4, Eaton Xv-102-a3-57tvrb-1e4, Eaton Xv100-box-e4-dc1, and Eaton Xv100-box-e4-uc1.

  • How can I fix CVE-2023-43776?

    To fix CVE-2023-43776, it is recommended to update the Eaton easyE4 PLC firmware to version 2.03 or higher.

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