How severe is CVE-2025-39205?

CVE-2025-39205 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-39205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-39205?

CVE-2025-39205 affects Hitachienergy Microscada X Sys600. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-39205?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-39205 have an EU (EUVD) identifier?

Yes. CVE-2025-39205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19012.

When was CVE-2025-39205 published?

CVE-2025-39205 was published on 2025-06-24 and last updated on 2026-06-17.

CVE-2025-39205

CVE-2025-39205 is a medium-severity vulnerability in Hitachienergy Microscada X Sys600 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19012
Weakness: CWE-295
Affected product: Hitachienergy Microscada X Sys600
Published: 2025-06-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-39205?: 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.
How severe is CVE-2025-39205?: CVE-2025-39205 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-39205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-39205?: CVE-2025-39205 affects Hitachienergy Microscada X Sys600. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-39205?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-39205 have an EU (EUVD) identifier?: Yes. CVE-2025-39205 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19012.
When was CVE-2025-39205 published?: CVE-2025-39205 was published on 2025-06-24 and last updated on 2026-06-17.

References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000218&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (1)

cpe:2.3:a:hitachienergy:microscada_x_sys600:*:*:*:*:*:*:*:*

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