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Vulnerability of Bluetooth: information disclosure via Mesh Profile Provisioning AuthValue leak

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Mesh Profile Provisioning AuthValue leak of Bluetooth, in order to obtain sensitive information.
Vulnerable products: Bluetooth protocol.
Severity of this weakness: 2/4.
Creation date: 26/05/2021.
Références of this bulletin: CERTFR-2021-AVI-405, CVE-2020-26559, VIGILANCE-VUL-35550, VU#799380.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Mesh Profile Provisioning...
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This threat alert impacts software or systems such as Bluetooth protocol.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin 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 weakness note.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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