Auth bypass in Bluetooth Bluetooth_core_specification

CVE-2020-15802

Devices supporting Bluetooth before 5.1 may allow man-in-the-middle attacks, aka BLURtooth. Cross Transport Key Derivation in Bluetooth Core Specification v4.2 and v5.0 may permit an unauthenticated user to establish a bonding with one tra…

Vulnerability class: Broken Authentication

EPSS: 0.071 (93.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-15802?
CVE-2020-15802 is a medium-severity vulnerability in Bluetooth Bluetooth_core_specification, classified under Improper Authentication. CVSS score: 5.9/10. Published 2020-09-11.
How severe is CVE-2020-15802?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2020-15802 known to be exploited?
14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.