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CVE-2021-22291— EIBPORT Reflected XSS

Quick assessment

Affected
ABB EIBPORT V3 KNX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ABB EIBPORT V3 KNX和ABB EIBPORT V3 KNX GSM都是瑞士ABB公司的一个智能家居网关。 ABB EIBPORT V3 KNX 3.9.2之前版本和ABB EIBPORT V3 KNX GSM 3.9.2之前版本存在跨站脚本漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。

CVSS 8.0 · High EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-22291

Vulnerability Information
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Vulnerability Title
EIBPORT Reflected XSS
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
ABB EIBPORT V3 KNX和ABB EIBPORT V3 KNX GSM 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB EIBPORT V3 KNX和ABB EIBPORT V3 KNX GSM都是瑞士ABB公司的一个智能家居网关。 ABB EIBPORT V3 KNX 3.9.2之前版本和ABB EIBPORT V3 KNX GSM 3.9.2之前版本存在跨站脚本漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ABB EIBPORT V3 KNX 0 ~ 3.9.2 -
ABB EIBPORT V3 KNX GSM 0 ~ 3.9.2 -

II. Public POCs for CVE-2021-22291

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III. Intelligence Information for CVE-2021-22291

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Vendor Advisories for CVE-2021-22291 (1)

IV. Related Vulnerabilities

Same vendor: ABB
Same weakness: CWE-79

V. Comments for CVE-2021-22291

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