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Vulnerability record · CVE-2023-46143 · published 14 December 2023

CVE-2023-46143: Phoenixcontact automationworx software suite download of code without integrity check vulnerability

Phoenixcontact · Automationworx Software Suite

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.

7.5 CVSS 3.1 High EPSS 0.33% · top 76.2% CWE-494 · Download of code without integrity check
7.5CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
18Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

18 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2023-057/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-057/ Third Party Advisory

Track CVE-2023-46143 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-46141Phoenixcontact automationworx software suite incorrect permission assignment vulnerabilityIncorrect Permission Assignment for Critical Resource vulnerability in multiple products of the PHOENIX CONTACT classic line allow an remote unauthen…EPSS 0.88%9.8CVE-2022-31800Phoenixcontact axc 1050 firmware insufficient verification of data authenticity vulnerabilityAn unauthenticated, remote attacker could upload malicious logic to devices based on ProConOS/ProConOS eCLR in order to gain full control over the de…EPSS 1.6%9.8CVE-2019-9201Phoenixcontact ilc 131 eth firmware missing authentication for critical function vulnerabilityMultiple Phoenix Contact devices allow remote attackers to establish TCP sessions to port 1962 and obtain sensitive information or make changes, as d…EPSS 3.1%8.8CVE-2019-12869Phoenixcontact automationworx software suite out-of-bounds read vulnerabilityAn issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Con…EPSS 3.8%8.8CVE-2019-12870Phoenixcontact automationworx software suite vulnerabilityAn issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Con…EPSS 3.7%8.8CVE-2019-12871Phoenixcontact automationworx software suite use after free vulnerabilityAn issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Con…EPSS 3.7%7.8CVE-2022-3737Phoenixcontact automationworx software suite out-of-bounds read vulnerabilityIn PHOENIX CONTACT Automationworx Software Suite up to version 1.89 memory can be read beyond the intended scope due to insufficient validation of in…EPSS 0.21%7.8CVE-2022-3461Phoenixcontact automationworx software suite memory buffer overflow vulnerabilityIn PHOENIX CONTACT Automationworx Software Suite up to version 1.89 manipulated PC Worx or Config+ files could lead to a heap buffer overflow and a r…EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2023-46143), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.