CVE-2021-40340
OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product
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.
- Record
CVE-2021-40340- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-27519
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.
- Record
EUVD-2021-27519- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c776-rv55-q779 No score
Information Exposure vulnerability in Hitachi Energy LinkOne application, due to a...
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.
- Record
GHSA-c776-rv55-q779- Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-40340- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40340 is a low vulnerability (CVSS 3.7) in Hitachi Linkone, published January 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.