CVE-2020-15802

Published: 11 September 2020

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 transport, either LE or BR/EDR, and replace a bonding already established on the opposing transport, BR/EDR or LE, potentially overwriting an authenticated key with an unauthenticated key, or a key with greater entropy with one with less.

Priority

Medium

CVSS 3 base score: 5.9

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15802
• https://www.kb.cert.org/vuls/id/589825/
• https://gizmodo.com/bluetooth-unveils-its-latest-security-issue-with-no-se-1845013709
• https://www.kb.cert.org/vuls/id/589825
• NVD
• Launchpad
• Debian

Bugs

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-15802
• https://bugzilla.suse.com/show_bug.cgi?id=1176442