CVE-2020-10134
bluetooth: Method Confusion Pairing Vulnerability in LE Secure Connections and BR/EDR Secure Simple Pairing
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 18, 2020
Updated · February 24, 2026
Description
A flaw was discovered in the Bluetooth protocol affecting the Bluetooth LE Secure Connections pairing and the BR/EDR Secure Simple Pairing. An attacker with physical access to the Bluetooth connection could perform a man-in-the-middle attack between two devices using the Numeric Comparison and Passkey pairing association models. This attack may result in the man-in-the-middle becoming authenticated with the attacked devices and being able to initiate any Bluetooth operation exposed by the enabled Bluetooth profiles.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Use the Out of Band (OOB) pairing mechanism if possible. Disabling Bluetooth may be a suitable alternative for some environments, please refer to the Red Hat knowledgebase solution [1] for how to disable Bluetooth in Red Hat Enterprise Linux.
[1] https://access.redhat.com/solutions/2682931
CVSS / CWE
CVSS 3.1 · 6.3CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CWE-358 · Improperly Implemented Security Check for Standard