Hitachi Energy MicroSCADA X SYS600 up to 10.6 TLS Protocol certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Hitachi Energy MicroSCADA X SYS600 up to 10.6. Affected is an unknown function of the component TLS Protocol Handler. The manipulation results in certificate validation. This vulnerability is reported as CVE-2025-39205. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Hitachi Energy MicroSCADA X SYS600 up to 10.6. Affected is an unknown code block of the component TLS Protocol Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on integrity. CVE summarizes:

A vulnerability exists in the IEC 61850 in MicroSCADA X SYS600 product. The certificate validation of the TLS protocol allows remote Man-in-the-Middle attack due to missing proper validation.

The advisory is shared for download at publisher.hitachienergy.com. This vulnerability is traded as CVE-2025-39205 since 04/16/2025. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19012). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Hitachi Energy): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
06/24/2025 +69 days 🔍
06/24/2025 +0 days 🔍
01/30/2026 +220 days 🔍

Sourcesinfo

Advisory: publisher.hitachienergy.com
Status: Confirmed

CVE: CVE-2025-39205 (🔍)
GCVE (CVE): GCVE-0-2025-39205
GCVE (VulDB): GCVE-100-313752
EUVD: 🔍

Entryinfo

Created: 06/24/2025 15:29
Updated: 01/30/2026 19:55
Changes: 06/24/2025 15:29 (63), 06/24/2025 18:15 (1), 01/30/2026 19:55 (13)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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