Knx Connection Authorization
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By the Year
In 2026 there have been 0 vulnerabilities in Knx Connection Authorization. Connection Authorization did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 1 | 7.50 |
It may take a day or so for new Connection Authorization vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Knx Connection Authorization Security Vulnerabilities
KNX Device Locked via Unresettable BCU Key
CVE-2023-4346
7.5 - High
- August 29, 2023
KNX devices that use KNX Connection Authorization and support Option 1 are, depending on the implementation, vulnerable to being locked and users being unable to reset them to gain access to the device. The BCU key feature on the devices can be used to create a password for the device, but this password can often not be reset without entering the current password. If the device is configured to interface with a network, an attacker with access to that network could interface with the KNX installation, purge all devices without additional security options enabled, and set a BCU key, locking the device. Even if a device is not connected to a network, an attacker with physical access to the device could also exploit this vulnerability in the same way.
Overly Restrictive Account Lockout Mechanism
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