CVE-2021-40340 json
OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product
published 2022-01-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27519
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-22-088-03 updated cvss 3.7
Hitachi Energy LinkOne WebView
-
Hitachi Energy LinkOne WebView 3.25, 3.23, 3.22, 3.24affected: mitigation “Hitachi Energy recommends applying the available security patch or updating LinkOne to v3.27. Contact Hitachi Energy for more information on applying the security patch or updating LinkOne to v3.27” hitachienergy.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
Sources
- CVE List CVE-2021-40340
- NVD CVE-2021-40340
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.