CVE-2025-39203 MEDIUM

CVE-2025-39203

Vendor Hitachi Energy
Product MicroSCADA X SYS600
Weakness CWE-354
Published June 24, 2025
Last update October 7, 2025

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability exists in the IEC 61850 of the MicroSCADA X SYS600 product. An IEC 61850-8 crafted message content from IED or remote system can cause a denial of service resulting in disconnection loop.

Key dates

02Disclosure timeline

June 24, 2025 CVE published
October 7, 2025 Record updated