Vulnerability identifier: #VU53578

Vulnerability risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-26555

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Bluetooth Core Specification
Other software / Other software solutions

Vendor: Bluetooth SIG, Inc.

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the Bluetooth legacy BR/EDR PIN code pairing. An attacker with physical access can spoof the BD_ADDR of the peer device and complete pairing without knowledge of the PIN.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Bluetooth Core Specification: 1.0 B - 5.2

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External links
http://kb.cert.org/vuls/id/799380
http://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.