CVE-2021-22291
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2025-10-08

Assigner: Asea Brown Boveri Ltd. (ABB)

Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in ABB EIBPORT V3 KNX, ABB EIBPORT V3 KNX GSM.This issue affects EIBPORT V3 KNX: before 3.9.2; EIBPORT V3 KNX GSM: before 3.9.2.
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Meta Information
Published
2025-10-07
Last Modified
2025-10-08
Generated
2026-06-16
AI Q&A
2025-10-07
EPSS Evaluated
2026-06-15
NVD
CVE-2021-22291
EUVD
EUVD-2021-9437
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
abb eibport_v3_knx *
abb eibport_v3_knx_gsm *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a Cross-site Scripting (XSS) issue in ABB EIBPORT V3 KNX and ABB EIBPORT V3 KNX GSM devices before version 3.9.2. It occurs due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages viewed by other users.

Impact Analysis

Exploitation of this vulnerability can lead to high impact on confidentiality, integrity, and availability of the affected system. An attacker could execute malicious scripts in the context of the user's browser, potentially stealing sensitive information, manipulating data, or disrupting system operations.

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