CVE-2024-11499: Hitachi Energy RTU500

Medium severity, CVSS 4.9. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections. The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.

Affected products

• Hitachi Energy RTU500: from 13.4.1, up to and including 13.4.4; from 13.5.1, up to and including 13.5.3; version 13.5.3 only; version 13.6.1 only; version 13.7.1 only

Published 2025-03-25. Last modified 2026-06-17.