CVE-2021-22291 HIGH

CVE-2021-22291: EIBPORT Reflected XSS

Vendor Abb
Product EIBPORT V3 KNX
Weakness CWE-79 · XSS
Published October 7, 2025
Last update October 7, 2025
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 7, 2025 CVE published
October 7, 2025 Record updated