CVE-2026-1772
Received Received - Intake
Information Disclosure in RTU500 Web Interface via Browser Tools

Publication date: 2026-02-24

Last updated on: 2026-02-27

Assigner: Hitachi Energy

Description
RTU500 web interface: An unprivileged user can read user management information. The information cannot be accessed via the RTU500 web user interface but requires further tools like browser development utilities to access them without required privileges.
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Meta Information
Published
2026-02-24
Last Modified
2026-02-27
Generated
2026-06-16
AI Q&A
2026-02-24
EPSS Evaluated
2026-06-14
NVD
EUVD
Affected Vendors & Products
Showing 20 associated CPEs
Vendor Product Version / Range
hitachienergy rtu520_firmware From 12.7.1 (inc) to 12.7.7 (inc)
hitachienergy rtu520_firmware From 13.5.1 (inc) to 13.5.4 (inc)
hitachienergy rtu520_firmware From 13.6.1 (inc) to 13.6.2 (inc)
hitachienergy rtu520_firmware 13.8.1
hitachienergy rtu520_firmware From 13.7.1 (inc) to 13.7.8 (exc)
hitachienergy rtu530_firmware From 12.7.1 (inc) to 12.7.7 (inc)
hitachienergy rtu530_firmware From 13.5.1 (inc) to 13.5.4 (inc)
hitachienergy rtu530_firmware From 13.6.1 (inc) to 13.6.2 (inc)
hitachienergy rtu530_firmware 13.8.1
hitachienergy rtu530_firmware From 13.7.1 (inc) to 13.7.8 (exc)
hitachienergy rtu540_firmware From 12.7.1 (inc) to 12.7.7 (inc)
hitachienergy rtu540_firmware From 13.5.1 (inc) to 13.5.4 (inc)
hitachienergy rtu540_firmware From 13.6.1 (inc) to 13.6.2 (inc)
hitachienergy rtu540_firmware 13.8.1
hitachienergy rtu540_firmware From 13.7.1 (inc) to 13.7.8 (exc)
hitachienergy rtu560_firmware From 12.7.1 (inc) to 12.7.7 (inc)
hitachienergy rtu560_firmware From 13.5.1 (inc) to 13.5.4 (inc)
hitachienergy rtu560_firmware From 13.6.1 (inc) to 13.6.2 (inc)
hitachienergy rtu560_firmware 13.8.1
hitachienergy rtu560_firmware From 13.7.1 (inc) to 13.7.8 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-280 The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.
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Executive Summary

This vulnerability exists in the RTU500 web interface where an unprivileged user can read user management information.

Although this information is not accessible directly through the RTU500 web user interface, it can be accessed using additional tools such as browser development utilities without having the required privileges.

Impact Analysis

The vulnerability allows an unprivileged user to access sensitive user management information that should normally be restricted.

This could potentially lead to unauthorized disclosure of user data, which might be leveraged for further attacks or unauthorized access.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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