CVE-2026-1772

Unauthorized Access to User Management Data via Web Interface

Published Feb 24, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthorized Access to User Management Data via Web Interface
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hitachienergy rtu520
Hitachienergy rtu520 Firmware
Hitachienergy rtu530
Hitachienergy rtu530 Firmware
Hitachienergy rtu540
Hitachienergy rtu540 Firmware
Hitachienergy rtu560
Hitachienergy rtu560 Firmware
CPEs cpe:2.3:h:hitachienergy:rtu520:-:*:*:*:*:*:*:*
cpe:2.3:h:hitachienergy:rtu530:-:*:*:*:*:*:*:*
cpe:2.3:h:hitachienergy:rtu540:-:*:*:*:*:*:*:*
cpe:2.3:h:hitachienergy:rtu560:-:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu520_firmware:13.8.1:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu530_firmware:13.8.1:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu540_firmware:13.8.1:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hitachienergy:rtu560_firmware:13.8.1:*:*:*:*:*:*:*
Vendors & Products Hitachienergy rtu520
Hitachienergy rtu520 Firmware
Hitachienergy rtu530
Hitachienergy rtu530 Firmware
Hitachienergy rtu540
Hitachienergy rtu540 Firmware
Hitachienergy rtu560
Hitachienergy rtu560 Firmware
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Hitachienergy
Hitachienergy rtu500 Firmware
Vendors & Products Hitachienergy
Hitachienergy rtu500 Firmware
Type Values Removed Values Added
Weaknesses CWE-287 CWE-280
Type Values Removed Values Added
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.
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 5.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Hitachi Energy
Published
Updated
Feb 28, 2026, 2:19 AM
Reserved
Feb 2, 2026, 4:28 PM
Status
Analyzed
Published
Feb 24, 2026, 2:16 PM
Modified
Jun 17, 2026, 10:16 AM