CVE-2025-39203: microscada x — Fix

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.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-354 CWE-354

Affected Products

Vendor	Product	Versions
hitachienergy	microscada_x_sys600	10.5 — 10.7

References

Advisories & Patches

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

Frequently Asked Questions

What is 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 loop. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-39203? +

CVE-2025-39203 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-39203? +

CVE-2025-39203 affects products from hitachienergy, specifically: microscada_x_sys600. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-39203? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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