KNOWN EXPLOITED VULNERABILITY DOSSIER

CVE-2023-4346

KNX Association · KNX Protocol Connection Authorization Option 1

KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout mechanism vulnerability that could allow an attacker to purge all devices without additional security options enabled and set a BCU key to lock the device.

CISA KEV Added: 2026-07-15
Severity Rating: High (CVSS 9)
Legal Indictments: 0 Cases
Catalog Status: Active KEV Mandate

Correlated Federal Court Cases & Indictments (0)

No specific federal indictment in our landmark database directly links to this CVE yet. This vulnerability is monitored under CISA's Known Exploited Vulnerabilities catalog.

Associated Government Advisories

Direct advisory cross-references are being continuously mapped from CISA and allied CERT publications.

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