CVE-2019-9506 — Blutooth BR/EDR specification does not specify sufficient encryption key length and allows an attacker to influence key length negotiation
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 lengt…
Published: 2019-08-14 · CVSS: 7.6 · CVSS 3.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7