6.8
MediumCVSS 3.1 · from Eaton
CVE-2023-43776
Weak encoding vulnerability in easyE4
easyE4 · CWE-326 · CWE-326AffectedeasyE4
FixUpdate to 2.02 or newer
PublishedOct 17, 2023, 12:35 · Eaton
ScoredOct 17, 2023 · 6.8 · Eaton
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:07 UTC
What we know
No known exploitation. CISA KEV, checked 22:07 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker needs physical access to the device. CVSS: physical.
It only works under certain conditions, which makes it harder to pull off. CVSS: high attack complexity.
Someone has to open, click or run something first. CVSS: user interaction required.
A successful attack can read and change data and take the service down. CVSS: high impact on confidentiality, integrity and availability.
A successful attack gives full control of the affected system. CISA: technical impact total.
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).
From Eaton
Affected and fixed versions
ProductAffectedFixed ineasyE4before 2.022.02
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known