Vulnerability Details CVE-2020-10135
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.149
EPSS Ranking 94.2%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 4.8
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
- http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html
- http://seclists.org/fulldisclosure/2020/Jun/5
- https://francozappa.github.io/about-bias/
- https://kb.cert.org/vuls/id/647177/
- https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
- http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html
- http://seclists.org/fulldisclosure/2020/Jun/5
- https://francozappa.github.io/about-bias/
- https://kb.cert.org/vuls/id/647177/
- https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/
Products affected by CVE-2020-10135
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cpe:2.3:a:bluetooth:bluetooth_core:5.2
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cpe:2.3:o:opensuse:leap:15.1