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CVE-2020-10135

Date: May 19, 2020

Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key.

Severity Score

Related Resources (11)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
https://kb.cert.org/vuls/id/647177/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-10135
https://nvd.nist.gov/vuln/detail/CVE-2020-10135
http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html
https://access.redhat.com/security/cve/CVE-2020-10135
http://seclists.org/fulldisclosure/2020/Jun/5
https://francozappa.github.io/about-bias/
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/
https://www.mend.io/vulnerability-database/CVE-2020-10135

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

Authentication Bypass by Spoofing

CWE-290

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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