CVE-2023-46143

Summary

CVE-2023-46143 is a remote Download of Code Without Integrity Check vulnerability affecting PHOENIX CONTACT classic line Programmable Logic Controllers (PLCs). An unauthenticated attacker can exploit this weakness to modify some or all applications on the targeted PLC, potentially leading to serious operational disruptions or system takeovers. The vulnerability could allow an attacker to execute malicious code, manipulate data, or gain unauthorized access to critical systems. This issue poses a significant threat to organizations that rely on these PLCs in their industrial control systems. It is crucial for users to apply the available patches or updates as soon as possible to mitigate this risk.

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