What is CVE-2019-17627?

CVE-2019-17627 is a medium-severity vulnerability in Yalehome Yale Bluetooth Key, classified under Improper Authentication. CVSS score: 6.5/10. Published 2019-10-16.

How severe is CVE-2019-17627?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Yalehome Yale Bluetooth Key

CVE-2019-17627

The Yale Bluetooth Key application for mobile devices allows unauthorized unlock actions by sniffing Bluetooth Low Energy (BLE) traffic during one authorized unlock action, and then calculating the authentication key via simple computations on the hex digits of a valid authentication request. This affects the Yale ZEN-R lock and unspecified other locks.

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Yalehome Yale_bluetooth_key
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-17627?: CVE-2019-17627 is a medium-severity vulnerability in Yalehome Yale Bluetooth Key, classified under Improper Authentication. CVSS score: 6.5/10. Published 2019-10-16.
How severe is CVE-2019-17627?: Medium severity. CVSS v3 base score is 6.5 out of 10.