CVE-2025-39205: hitachi energy microscada x sys600 Improper Certificate Validation
CVSS: 7.1v4.0HighAnalyzed
Published 24-06-2025Last modified 01-10-2025
Vulnerability summary
CVE-2025-39205 is a high (CVSS 7.1) Improper Certificate Validation vulnerability in hitachi energy microscada x sys600. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.4% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v4.0 (CVE.org)EPSS score
0.20%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-06-2025PublishedVulnerability first disclosed.
- 01-10-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 2 versionsHigh 7.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
+0.01 pp
From 0.19% on 20-09-2026
20-09-202620-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hitachi energy1 product
- microscada x sys600≥ 10.3, ≤ 10.6
Hitachienergy1 product
- microscada_x_sys600≥ 10.3, < 10.7
2 vendors · 2 products
References
1 links- publisher.hitachienergy.com/previewVendor Advisory