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Fencer Intel
medium 4.2

CVE-2021-40337 json

OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product

published 4y ago modified 4mo ago also EUVD-2021-27516

cvss
4.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) vulnerability in Hitachi Energy LinkOne allows an attacker that manages to exploit the vulnerability can take advantage to exploit multiple web attacks and stole sensitive information. This issue affects: Hitachi Energy LinkOne 3.20; 3.22; 3.23; 3.24; 3.25; 3.26.

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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 4.2

Hitachi Energy LinkOne WebView

  • Hitachi Energy LinkOne WebView 3.25, 3.23, 3.22, 3.24
    affected: 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

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Hitachi Energy LinkOne

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.