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Vulnerability Details :

CVE-2025-39203

Summary
Assigner-Hitachi Energy
Assigner Org ID-e383dce4-0c27-4495-91c4-0db157728d17
Published At-24 Jun, 2025 | 11:57
Updated At-07 Oct, 2025 | 10:00
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Hitachi Energy
Assigner Org ID:e383dce4-0c27-4495-91c4-0db157728d17
Published At:24 Jun, 2025 | 11:57
Updated At:07 Oct, 2025 | 10:00
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Hitachi Energy Ltd.Hitachi Energy
Product
MicroSCADA X SYS600
Default Status
unaffected
Versions
Affected
  • From 10.5 through 10.6 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-354CWE-354 Improper Validation of Integrity Check Value
Type: CWE
CWE ID: CWE-354
Description: CWE-354 Improper Validation of Integrity Check Value
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.07.1HIGH
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
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 7.1
Base severity: HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-595CAPEC-595 Connection Reset
CAPEC ID: CAPEC-595
Description: CAPEC-595 Connection Reset
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch
N/A
Hyperlink: https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cybersecurity@hitachienergy.com
Published At:24 Jun, 2025 | 12:15
Updated At:26 Jan, 2026 | 18:45

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.07.1HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 7.1
Base severity: HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Hitachi Energy Ltd.
hitachienergy
>>microscada_x_sys600>>Versions from 10.5(inclusive) to 10.7(exclusive)
cpe:2.3:a:hitachienergy:microscada_x_sys600:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-354Secondarycybersecurity@hitachienergy.com
CWE ID: CWE-354
Type: Secondary
Source: cybersecurity@hitachienergy.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launchcybersecurity@hitachienergy.com
Vendor Advisory
Hyperlink: https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch
Source: cybersecurity@hitachienergy.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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EPSS-0.28% / 51.42%
||
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Action-Not Available
Vendor-Hitachi Energy Ltd.
Product-RTU500
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Assigner-Hitachi Energy
ShareView Details
Matching Score-8
Assigner-Hitachi Energy
CVSS Score-7.1||HIGH
EPSS-0.07% / 20.95%
||
7 Day CHG~0.00%
Published-24 Jun, 2025 | 11:24
Updated-26 Jun, 2025 | 18:58
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An authenticated user with file access privilege via FTP access can cause the Relion 670/650 and SAM600-IO series device to reboot due to improper disk space management.

Action-Not Available
Vendor-Hitachi Energy Ltd.
Product-Relion 670/650 and SAM600-IO
CWE ID-CWE-754
Improper Check for Unusual or Exceptional Conditions
Details not found