CVE-2023-43776

6.8 MEDIUM 0.1% exploit odds Fix listed

What it is

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).

At a glance

Exploitability: Can be exploited with physical access with an admin-level account, but needs a user to act. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-10-17 13:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:26 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.1% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-10-17 13:15 UTC
Last modified: 2026-06-17 06:26 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-261
Record status: Modified

Affected

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-ac-8re1p Firmware < 2.02
Eaton easy-e4-dc-12tc1p Firmware < 2.02

Attack profile CVSS 3.1 · 6.8

Attack vector: Physical
Complexity: High
Privileges needed: High
User interaction: Required
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2023-43776.md and follow it. Check whether this project is affected by CVE-2023-43776. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record