Security Advisory

CVE-2026-8479

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-26 11:54:09

Last updated 2026-05-26 14:49:40

Assigner Hitachi Energy

CVSS score 6.9

State PUBLISHED

Description

IEC 60870-5-104 used in bidirectional mode in RTU500 is vulnerable for a NULL pointer dereferencing, if a specially crafted sequence of messages is sent for a certain time, causing Denial of Service impact. Product is only affected if IEC 60870-5-104 functionality in bidirectional mode (BCI) is configured.

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