CVE-2023-46143 HIGH

CVE-2023-46143: Phoenix Contact: Classic line industrial controllers prone to inadequate integrity check of PLC

Vendor Phoenix Contact
Product Automation Worx Software Suite
Weakness CWE-494 · Download without integrity check
Published December 14, 2023
Last update May 22, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated remote attacker to modify some or all applications on a PLC.

Key dates

02Disclosure timeline

December 14, 2023 CVE published
May 22, 2025 Record updated