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Fencer Intel
medium 5.5

CVE-2021-27416 json

Cross-site scripting in Hitachi ABB Power Grids Ellipse EAM

published 4y ago modified 4mo ago also EUVD-2021-14170

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

An attacker could exploit this vulnerability in Hitachi ABB Power Grids Ellipse Enterprise Asset Management (EAM) versions prior to and including 9.0.25 by tricking a user to click on a link containing malicious code that would then be run by the web browser. This can result in the compromise of confidential information, or even the takeover of the user’s session.

Patch / fix

  • hitachienergy ellipse_enterprise_asset_management 9.0.26

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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-21-061-01 updated cvss 5.5

Hitachi ABB Power Grids Ellipse EAM

  • Hitachi Energy Ellipse EAM <= 9.0.25
    affected: vendor fix, mitigation “Hitachi ABB Power Grids published cybersecurity advisory PGVU-PGGA-Ellipse-202027 to give users more information about this issue.”

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

  • Hitachi ABB Power Grids Ellipse Enterprise Asset Management (EAM)

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.