What is the CVSS score of CVE-2025-39203?

CVE-2025-39203 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2025-39203?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Microscada X Sys600 CVE-2025-39203

EUVD-2025-19002 MEDIUM

Improper Validation of Integrity Check Value (CWE-354)

2025-06-24 cybersecurity@hitachienergy.com

Denial Of Service Microscada X Sys600 Hitachienergy

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-354 OWASP Top 10:2025 A08:2025 - Software or Data Integrity Failures ASVS 5.0 V15 - Secure Coding and Architecture Integrity verification
Impact	Service disruption affecting availability. In critical infrastructure, DoS can have cascading effects on dependent systems. With a CVSS score of 6.5 (MEDIUM), this represents a moderate risk.
Exploit ScenarioDerived	An attacker sends specially crafted requests that cause excessive resource consumption (CPU, memory, disk) or trigger a crash in the target application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 15, 2026

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.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 22:36 CVSS 6.5

RemediationAI

Implement rate limiting and input validation. Use timeout mechanisms for resource-intensive operations. Deploy DDoS protection where applicable.

Affected VersionsENISA

MicroSCADA X SYS600 10.5 ≤10.6

Affected Packages

euvd microscada_x_sys600 no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users.

Know when Microscada X Sys600 gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Executive ViewAI

Why It Matters

CVE-2025-39203 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.1%

Top 84% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

More in Microscada X Sys600

View all

CVE-2024-7940 CRITICAL Act Now

9.8 Aug 27

The product exposes a service that is intended for local only to all network interfaces without any authentication. Rate

CVE-2024-4872 HIGH This Week

8.8 Aug 27

A vulnerability exists in the query validation of the MicroSCADA Pro/X SYS600 product. Rated high severity (CVSS 8.8), t

CVE-2024-3980 HIGH This Week

8.8 Aug 27

The MicroSCADA Pro/X SYS600 product allows an authenticated user input to control or influence paths or file names that

CVE-2022-29490 HIGH This Week

8.8 Sep 12

Improper Authorization vulnerability exists in the Workplace X WebUI of the Hitachi Energy MicroSCADA X SYS600 allows an

CVE-2024-3982 HIGH This Week

8.2 Aug 27

An attacker with local access to machine where MicroSCADA X SYS600 is installed, could enable the session logging suppor

CVE-2022-3388 HIGH This Week

7.8 Nov 21

An input validation vulnerability exists in the Monitor Pro interface of MicroSCADA Pro and MicroSCADA X SYS600. Rated h

CVE-2022-2277 HIGH This Week

7.5 Sep 14

Improper Input Validation vulnerability exists in the Hitachi Energy MicroSCADA X SYS600's ICCP stack during the ICCP co

CVE-2022-29922 HIGH This Week

7.5 Sep 14

Improper Input Validation vulnerability in the handling of a specially crafted IEC 61850 packet with a valid data item b

CVE-2022-29492 HIGH This Week

7.5 Sep 14

Improper Input Validation vulnerability in the handling of a malformed IEC 104 TCP packet in the Hitachi Energy MicroSCA

CVE-2025-39202 HIGH This Week

7.3 Jun 24

CVE-2025-39202 is a local privilege escalation vulnerability in MicroSCADA X SYS600's Monitor Pro interface that allows

CVE-2025-39204 MEDIUM This Month

6.5 Jun 24

A vulnerability exists in the Web interface of the MicroSCADA X SYS600 product. The filtering query in the Web interface

CVE-2025-39205 MEDIUM This Month

6.5 Jun 24

A vulnerability exists in the IEC 61850 in MicroSCADA X SYS600 product. The certificate validation of the TLS protocol a

Same weakness CWE-354 – Improper Validation of Integrity Check Value

View all

CVE-2023-48795 MEDIUM POC

5.9

CVE-2024-3596 CRITICAL

9.0

CVE-2023-33668 CRITICAL POC

9.8

CVE-2026-50021 HIGH POC

8.1

CVE-2022-36174 HIGH POC

8.1

CVE-2019-13496 HIGH POC

8.1

CVE-2024-51141 HIGH POC

7.8

CVE-2023-38802 HIGH POC

7.5

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-39203 ADVISORY https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back