CVE-2025-39203

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.

Category

8.3
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Affected: Hitachi Energy MicroSCADA X SYS600
Published at:
Updated at:

References

Link Tags
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch

Frequently Asked Questions

What is the severity of CVE-2025-39203?
CVE-2025-39203 has been scored as a high severity vulnerability.
How to fix CVE-2025-39203?
To fix CVE-2025-39203, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-39203 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-39203 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-39203?
CVE-2025-39203 affects Hitachi Energy MicroSCADA X SYS600.
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