CVE-2021-22291: Abb Eibport v3 KNX

High severity, CVSS 8.0. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Abb Eibport v3 KNX: before 3.9.2 (fixed in 3.9.2)
• Abb Eibport v3 KNX Gsm: before 3.9.2 (fixed in 3.9.2)

Published 2025-10-07. Last modified 2026-06-17.