Threat intelligence / Vulnerability
CVE-2023-4346
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.
Vulnerability
TypeVulnerability
External ID—
First seen2026-07-15
Last seen2026-07-15
Confidence
—
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.
Labels
CISA KEV context
Vendor / productKNX Association KNX Protocol Connection Authorization Option 1
Added2026-07-15
Due date2026-07-29
2 recorded
Relationships
2 external