Find real vulnerabilities before they ship
The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.
Base Score
8.1
| Base Score | 8.1 |
|---|---|
| Vector String | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Base Severity | High |
| Version | 3.1 |
| Attack Vector (AV) | ADJACENT_NETWORK |
