Home/CVE/Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated re
CVE

CVE-2023-46143

Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated re

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.

HIGH · CVSS 7.5 EPSS 0.00244
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-494Download of Code Without Integrity Check
▤

Affected Products & Versions

18
phoenixcontact automationworx software suiteall versions
phoenixcontact axc 1050 firmwareall versions
phoenixcontact axc 1050 xc firmwareall versions
phoenixcontact axc 3050 firmwareall versions
phoenixcontact config\+all versions
phoenixcontact fc 350 pci eth firmwareall versions
phoenixcontact ilc1x0 firmwareall versions
phoenixcontact ilc1x1 firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · info@cert.vde.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Dec 2023 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert.vde.com/en/advisories/VDE-2023-057/Third Party Advisory
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