CVE-2025-39203

Published Jun 24, 2025 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-19002 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.
History
Type Values Removed Values Added
First Time appeared Hitachienergy
Hitachienergy microscada X Sys600
CPEs cpe:2.3:a:hitachienergy:microscada_x_sys600:*:*:*:*:*:*:*:*
Vendors & Products Hitachienergy
Hitachienergy microscada X Sys600
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
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.
Weaknesses CWE-354
References
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Hitachi Energy
Published
Updated
Oct 7, 2025, 10:00 AM
Reserved
Apr 16, 2025, 5:26 AM
Status
Analyzed
Published
Jun 24, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:17 AM