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CVE-2026-1772

Published: Feb 24, 2026Updated: Feb 27, 2026 Sources: CVE List NVD csafCWE-280
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.3%
Top 82.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-280

Affected Products

RTU500 series CMU firmwareHitachi EnergyICS / OT / IoT
rtu520 firmwarehitachienergyICS / OT / IoT
rtu530 firmwarehitachienergyICS / OT / IoT
rtu540 firmwarehitachienergyICS / OT / IoT
rtu560 firmwarehitachienergyICS / OT / IoT
hitachi energycommercialDEICS / OT / IoT
hitachienergycommercialCHICS / OT / IoTaka hitachi energy, hitachi energy ltd

Exploitability

Official Patch Available

References

https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=Launch
publisher.hitachienergy.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-062-03.json
raw.githubusercontent.com
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000237&LanguageCode=en&DocumentPartId=&Action=launch
publisher.hitachienergy.com
and 21 more references View all →

Timeline

Published
Feb 24, 2026
Last Updated
Feb 27, 2026

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