Vulnerability in Hitachi Energy Rtu500 Series Cmu Firmware

CVE-2026-1772

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.

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1772?
CVE-2026-1772 is a medium-severity vulnerability in Hitachi Energy Rtu500 Series Cmu Firmware, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 5.3/10. Published 2026-02-24.
How severe is CVE-2026-1772?
Medium severity. CVSS v3 base score is 5.3 out of 10.