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Vulnerability of Bluetooth: privilege escalation via LE Legacy Pairing

Synthesis of the vulnerability 

An attacker can bypass restrictions via LE Legacy Pairing of Bluetooth, in order to escalate his privileges.
Vulnerable software: Bluetooth protocol.
Severity of this announce: 2/4.
Creation date: 26/05/2021.
Références of this computer vulnerability: CERTFR-2021-AVI-405, VIGILANCE-VUL-35545, VU#799380.

Description of the vulnerability 

An attacker can bypass restrictions via LE Legacy Pairing of Bluetooth, in order...
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This cybersecurity bulletin impacts software or systems such as Bluetooth protocol.

Our Vigil@nce team determined that the severity of this cybersecurity weakness is medium.

The trust level is of type confirmed by the editor, with an origin of radio connection.

An attacker with a expert ability can exploit this computer vulnerability bulletin.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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