CVE-2023-46143

HIGH

PHOENIX CONTACT Classic Line PLCs - Unauthenticated Application Modification

Title source: manual

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.

References (1)

Core 1

Core References

Third Party Advisory

https://cert.vde.com/en/advisories/VDE-2023-057/

Scores

CVSS v3 7.5

EPSS 0.0033

EPSS Percentile 24.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-494

Status published

Products (18)

phoenixcontact/automationworx_software_suite

phoenixcontact/axc_1050_firmware

phoenixcontact/axc_1050_xc_firmware

phoenixcontact/axc_3050_firmware

phoenixcontact/config\+

phoenixcontact/fc_350_pci_eth_firmware

phoenixcontact/ilc1x0_firmware

phoenixcontact/ilc1x1_firmware

phoenixcontact/ilc_3xx_firmware

phoenixcontact/pc_worx

... and 8 more

Published Dec 14, 2023

Tracked Since Feb 18, 2026