CVE-2020-10135CWE-757

Bluetooth devices supporting BR/EDR v5.2 and earlier are vulnerable to impersonation attacks

Medium · published May 19, 2020

CVSS v3.1
5.4
EPSS
2%
Percentile
83.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.02366 · 83.7th percentile
Weakness
CWE-757 · Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Published
2020-05-19T15:50Z
EPSS history
Timeline
  • 19 MAY 15:50Z
    Bluetooth devices supporting BR/EDR v5.2 and earlier are vulnerable to impersonation attacks
    cvelistv5