7.5
CWE
494
Advisory Published
Updated

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

First published: Thu Dec 14 2023(Updated: )

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.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Phoenix Contact Automationworx
All of
Phoenix Contact Axc 1050 Firmware
Phoenix Contact Axc 1050 Firmware
All of
Phoenix Contact Axc 1050 XC Firmware
Phoenix Contact Axc 1050 XC Firmware
All of
Phoenix Contact AXC 3050
Phoenix Contact AXC 3050
Phoenix Contact Config+
All of
Phoenix Contact FC 350 PCI ETH Firmware
Phoenix Contact FC 350 PCI ETH Firmware
All of
Phoenix Contact ILC 1x0 Firmware
Phoenix Contact ILC 1x0 Firmware
All of
Phoenix Contact ILC 1x1 GSM/GPRS Firmware
Phoenix Contact ILC 1x1 GSM/GPRS Firmware
All of
Phoenix Contact ILC 3xx
Phoenix Contact ILC 3xx
Phoenix Contact PC Worx
Phoenix Contact PC Worx Express
All of
Phoenix Contact PC Worx RT Basic
Phoenix Contact PC Worx RT Basic
Phoenix Contact PC Worx SRT
All of
Phoenix Contact RFC 430 ETH-IB
Phoenix Contact RFC 430 ETH-IB
All of
Phoenix Contact RFC 450 ETH-IB Firmware
Phoenix Contact RFC 450 ETH-IB Firmware
All of
Phoenix Contact RFC 460R PN 3TX
Phoenix Contact RFC 460R PN 3TX
All of
Phoenix Contact RFC 470S PN 3TX Firmware
phoenixcontact rfc 470s pn 3tx firmware
All of
Phoenix Contact RFC 480S PN 4TX Firmware
Phoenix Contact RFC 480S PN 4TX Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2023-46143?

    CVE-2023-46143 is considered a high severity vulnerability due to the potential for unauthorized modification of applications on affected PLCs.

  • How do I fix CVE-2023-46143?

    To fix CVE-2023-46143, ensure that you apply the latest firmware updates provided by Phoenix Contact for the affected devices.

  • What devices are affected by CVE-2023-46143?

    CVE-2023-46143 affects various Phoenix Contact automation systems including the Automationworx software suite and several PLC firmware versions.

  • What are the potential impacts of CVE-2023-46143?

    The vulnerability could allow an unauthenticated remote attacker to modify applications on a PLC, potentially leading to system malfunctions or unauthorized access.

  • Is CVE-2023-46143 remotely exploitable?

    Yes, CVE-2023-46143 can be exploited remotely by an unauthenticated attacker.

Contact

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