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MEDIUM · 6.5

CVE-2025-39203

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 lo...

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
HitachienergyMicroscada X Sys600>= 10.5, < 10.7

Related Weaknesses (CWE)

CWE-354

References

FAQ

What is CVE-2025-39203?

CVE-2025-39203 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 lo...

How severe is CVE-2025-39203?

CVE-2025-39203 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-39203?

Check the references section above for vendor advisories and patch information. Affected products include: Hitachienergy Microscada X Sys600.