CVE-2021-40340: Hitachi Linkone

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Information Exposure vulnerability in Hitachi Energy LinkOne application, due to a misconfiguration in the ASP server exposes server and ASP.net information, an attacker that manages to exploit this vulnerability can use the exposed information as a reconnaissance for further exploitation. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.

Affected products

• Hitachi Linkone: version 3.20 only; version 3.22 only; version 3.23 only; version 3.24 only; version 3.25 only; version 3.26 only

Published 2022-01-28. Last modified 2026-06-17.