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CVE-2025-39205

A vulnerability exists in the IEC 61850 in MicroSCADA X SYS600 product. The certificate validation of the TLS protocol allows remote Man-in-the-Middle attack due to missing proper validation.

Published: Jun 24, 2025Updated: Jan 30, 2026 Sources: CVE List NVD BDU csafCWE-295
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 93.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Hitachi Energy is aware of these vulnerabilities that affect the MACH GWS product versions listed in this document. An attacker successfully exploiting these vulnerabilities can cause confidentiality, integrity and availability impacts. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-295

Affected Products

MicroSCADA X SYS600Hitachi EnergyICS / OT / IoT
microscada x sys600hitachienergyICS / OT / IoT
Hitachi Energy MicroSCADA X SYS600Hitachi, Ltd.ICS / OT / IoT
hitachi energycommercialDEICS / OT / IoT
hitachienergycommercialCHICS / OT / IoTaka hitachi energy, hitachi energy ltd
hitachi, ltd.commercialJPICS / OT / IoT

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-289-11.json
raw.githubusercontent.com
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000222&LanguageCode=en&DocumentPartId=&Action=launch
publisher.hitachienergy.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-289-11
cisa.gov
and 12 more references View all →

Timeline

Published
Jun 24, 2025
Last Updated
Jan 30, 2026

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