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Status published
High
CVE-2023-46143
Phoenix Contact: Classic line industrial controllers prone to inadequate integrity check of PLC
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Reid Wightman of Dragos, Inc.
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Affected Vendor
PHOENIX CONTACT
View all reports →Affected Software
Automation Worx Software Suite, AXC 1050, AXC 1050 XC, AXC 3050, Config+, FC 350 PCI ETH, ILC1x0, ILC1x1, ILC 3xx, PC Worx, PC Worx Express, PC WORX RT BASIC, PC WORX SRT, RFC 430 ETH-IB, RFC 450 ETH-IB, RFC 460R PN 3TX, RFC 470S PN 3TX, RFC 480S PN 4TX
Vulnerable Versions:
all
Timeline
Official Publish:
December 14th, 2023
Last Modified:
May 22nd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.