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Status published
High
CVE-2021-22291
EIBPORT Reflected XSS
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- ABB acknowledges and thanks Psytester for responsibly disclosing the vulnerabilities and helping to verify the resolving implementation.
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Affected Vendor
Affected Software
EIBPORT V3 KNX, EIBPORT V3 KNX GSM
Vulnerable Versions:
0
Timeline
Official Publish:
October 7th, 2025
Last Modified:
October 7th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H