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

7.5HIGH

Key Information:

Vendor: PHOENIX CONTACT
Status: Automation Worx Software Suite; AXC 1050; AXC 1050 XC; AXC 3050
Vendor: CVE Published:; 14 December 2023

Summary

The Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs enables an unauthenticated remote attacker to manipulate applications installed on the PLC. This flaw allows unauthorized modifications, presenting significant risks to the integrity and operation of systems that rely on these programmable logic controllers. Proper security measures are essential to prevent exploitation of this vulnerability.

Affected Version(s)

Automation Worx Software Suite all

AXC 1050 all

AXC 1050 XC all

References

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

CVSS V3.1

Score:

7.5

Severity:

HIGH

Confidentiality:

None

Integrity:

High

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

None

Scope:

Unchanged

Timeline

Vulnerability published
Dec 14, 2023
Vulnerability Reserved
Oct 17, 2023

Credit

Reid Wightman of Dragos, Inc.