Hitachi Energy XMC20

Summary

Hitachi Energy is aware of a vulnerability affecting XMC20 product versions. Successful exploitation could lead to forgery attacks, impacting confidentiality, integrity, and availability, specifically when XMC20 devices are configured with remote RADIUS authentication. The vulnerability, CVE-2024-3596, stems from the RADIUS protocol's susceptibility to forgery attacks.

IFF Assessment

FOE

A vulnerability in Hitachi Energy's XMC20 could be exploited to conduct forgery attacks, negatively impacting defenders.

Severity

9.0 Critical

Defender Context

This vulnerability affects critical infrastructure sectors and highlights the ongoing need for strong authentication mechanisms and message integrity checks in industrial control systems. Defenders should verify if their XMC20 devices use remote RADIUS authentication and apply the recommended mitigation by enabling the RADIUS Message-Authenticator option. Monitor network traffic for suspicious RADIUS activity and ensure timely patching of affected systems.

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