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

What is CVE-2023-46143?

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

  • Vulnerability Reserved

Credit

Reid Wightman of Dragos, Inc.
.