CVE-2026-1772 PUBLISHED

Assigner: Hitachi Energy
Reserved: 02.02.2026 Published: 24.02.2026 Updated: 24.02.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Hitachi Energy
Product	RTU500 series CMU firmware
Versions	Default: unaffected affected from 12.7.1 to 12.7.7 (incl.) affected from 13.5.1 to 13.5.4 (incl.) affected from 13.6.1 to 13.6.2 (incl.) affected from 13.7.1 to 13.7.7 (incl.) Version 13.8.1 is affected

References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch

Problem Types

CWE-280 Improper Handling of Insufficient Permissions or Privileges CWE

Impacts

CAPEC-503 WebView Exposure