A denial-of-service vulnerability due to improper prioritization of network traffic over protection mechanism exists in Relion 670/650 and SAM600-IO series device that if exploited could potentially cause critical functions like LDCM (Line Distance Communication Module) to malfunction.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00077.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-19005 A denial-of-service vulnerability due to improper prioritization of network traffic over protection mechanism exists in Relion 670/650 and SAM600-IO series device that if exploited could potentially cause critical functions like LDCM (Line Distance Communication Module) to malfunction.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000216&LanguageCode=en&DocumentPartId=&Action=Launch cve-icon cve-icon
History

Wed, 25 Jun 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 24 Jun 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Tue, 24 Jun 2025 11:45:00 +0000

Type Values Removed Values Added
Description A denial-of-service vulnerability due to improper prioritization of network traffic over protection mechanism exists in Relion 670/650 and SAM600-IO series device that if exploited could potentially cause critical functions like LDCM (Line Distance Communication Module) to malfunction.
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Hitachi Energy

Published:

Updated: 2025-06-25T12:42:35.650Z

Reserved: 2025-03-17T10:36:28.911Z

Link: CVE-2025-2403

cve-icon Vulnrichment

Updated: 2025-06-24T15:24:41.381Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-06-24T12:15:20.863

Modified: 2025-06-26T18:58:14.280

Link: CVE-2025-2403

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.