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CVE-2023-4346

CRITICAL CISA
CVSS Score
N/A
Severity
CRITICAL
Source
CISA
Published
Jul 15, 2026
Description

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.

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