CVE-2021-40339
OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers, allows an attacker that manages to exploit this vulnerability to retrieve sensitive information. 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
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers, allows an attacker that manages to exploit this vulnerability to retrieve sensitive information. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.
- Record
CVE-2021-40339- 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-2021-27518
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers, allows an attacker that manages to exploit this vulnerability to retrieve sensitive information. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.
- Record
EUVD-2021-27518- 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-qv9r-x3cv-cghr No score
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers...
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers, allows an attacker that manages to exploit this vulnerability to retrieve sensitive information. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.
- Record
GHSA-qv9r-x3cv-cghr- Updated
- 2026-11-02
NVD
Configuration vulnerability in Hitachi Energy LinkOne application due to the lack of HTTP Headers, allows an attacker that manages to exploit this vulnerability to retrieve sensitive information. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.
- Record
CVE-2021-40339- 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 - 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-2021-40339 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.