CVE-2022-3864: Hitachienergy Relion 650 Firmware

Medium severity, CVSS 4.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service.

Affected products

• Hitachienergy Relion 650 Firmware: version 2.2.0 only; version 2.2.1 only; version 2.2.4 only; version 2.2.5 only
• Hitachienergy Relion 670 Firmware: version 2.2.0 only; version 2.2.1 only; version 2.2.2 only; version 2.2.3 only; version 2.2.4 only; version 2.2.5 only
• Hitachienergy Relion SAM600-Io Firmware: version 2.2.1 only

Published 2024-01-04. Last modified 2026-06-17.