Vulnerability · Published Jun 24, 2025 · Assigned by Hitachi Energy
CVE-2025-39203
Medium 6.5
In plain English
A medium-severity security flaw in MicroSCADA X SYS600 from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hitachi Energy | MicroSCADA X SYS600 | 10.5 – through 10.6 |
Weakness: CWE-354 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H