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TI-2021-05267 Aliases CVE-2021-22291GHSA-xmxj-3326-2879

EIBPORT Reflected XSS

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00321 25th percentileScored 2026-11-07
Fix Fixed EIBPORT V3 KNX (ABB): 3.9.2EIBPORT V3 KNX GSM (ABB): 3.9.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ABBEIBPORT V3 KNXbefore 3.9.23.9.2Patch availableCNA
ABBEIBPORT V3 KNX GSMbefore 3.9.23.9.2Patch availableCNA
  • EIBPORT V3 KNX VendorABB Affected before 3.9.2 Fixed in 3.9.2 Patch available CNA
  • EIBPORT V3 KNX GSM VendorABB Affected before 3.9.2 Fixed in 3.9.2 Patch available CNA

Remediation

  • Fix · CNA EIBPORT V3 KNX (ABB) Fixed in 3.9.2
  • Fix · CNA EIBPORT V3 KNX GSM (ABB) Fixed in 3.9.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22291
  2. 2026-10-03 Alias added: GHSA-xmxj-3326-2879

References

  • TI-2019-03985 ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function CVSS 3.1CRITICAL 9.8
  • TI-2019-05127 The ABB IDAL HTTP server is vulnerable to a buffer overflow when a long Host header is… CVSS 3.1HIGH 8.8
  • TI-2024-05845 Remote code execution in ABB ASPECT-Enterprise CVSS 4.0CRITICAL 9.4
  • TI-2024-34459 Service control in ABB ASPECT-Enterprise CVSS 4.0HIGH 8.8
  • TI-2024-05758 unauthorized file access CVSS 4.0CRITICAL 9.4
  • TI-2022-00806 ABB Flow Computer and Remote Controllers Path Traversal Vulnerability in Totalflow TCP protocol can lead to root access CVSS 3.1CRITICAL 9.8
See all 262 →

Sources