CVE-2021-40333: Hitachienergy FOX615 Firmware

High severity, CVSS 7.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Weak Password Requirements vulnerability in Hitachi Energy FOX61x, XCM20 allows an attacker to gain unauthorized access to the Data Communication Network (DCN) routing configuration. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A.

Affected products

• Hitachienergy FOX615 Firmware: before r15a (fixed in r15a)
• Hitachienergy XCM20 Firmware: before r15a (fixed in r15a)

Published 2021-12-02. Last modified 2026-06-17.