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Vulnerability record · CVE-2024-7940 · published 27 August 2024

CVE-2024-7940: Hitachienergy microscada x sys600 missing authentication for critical function vulnerability

Hitachienergy · Microscada X Sys600

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

9.8 CVSS 3.1 Critical EPSS 0.58% · top 54.6% CWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000160&LanguageCode=en&DocumentPartId=&Action=Launch Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-3980Hitachienergy microscada pro sys600 path traversal vulnerabilityThe MicroSCADA Pro/X SYS600 product allows an authenticated user input to control or influence paths or file names that are used in filesystem operat…EPSS 0.61%8.8CVE-2024-4872Hitachienergy microscada pro sys600 vulnerabilityA vulnerability exists in the query validation of the MicroSCADA Pro/X SYS600 product. If exploited this could allow an authenticated attacker to inj…EPSS 0.50%8.8CVE-2022-29490Hitachienergy microscada x sys600 improper authorization vulnerabilityImproper Authorization vulnerability exists in the Workplace X WebUI of the Hitachi Energy MicroSCADA X SYS600 allows an authenticated user to execut…EPSS 0.62%8.5CVE-2026-9854Hitachienergy microscada x sys600 vulnerabilityA vulnerability exists in SYS600 RBAC mechanism where users having access to the engineering tools could elevate their privileges to administrator le…EPSS 0.14%8.5CVE-2026-9853Hitachienergy microscada x sys600 vulnerabilityA vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify…EPSS 0.14%8.5CVE-2025-39204Hitachienergy microscada x sys600 information exposure vulnerabilityA vulnerability exists in the Web interface of the MicroSCADA X SYS600 product. The filtering query in the Web interface can be malformed, so returni…EPSS 0.36%8.3CVE-2025-39202Hitachienergy microscada x sys600 improper privilege management vulnerabilityA vulnerability exists in in the Monitor Pro interface of the MicroSCADA X SYS600 product. An authenticated user with low privileges can see and over…EPSS 0.23%8.2CVE-2024-3982Hitachienergy microscada x sys600 authentication bypass by capture-replay vulnerabilityAn attacker with local access to machine where MicroSCADA X SYS600 is installed, could enable the session logging supporting the product and try to e…EPSS 0.22%

Source: NIST National Vulnerability Database (record CVE-2024-7940), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.