CVE-2019-17627

Name: CVE-2019-17627
Creator: NVD / NIST
Published: 2019-10-16T12:15:12.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2019-17627 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.68%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Yalehome	Yale Bluetooth Key	All versions

References

https://github.com/PwnMonkeyLab/YaleDoorlockVulnerability/blob/master/HowToDo.mdExploit, Third Party Advisory
https://github.com/PwnMonkeyLab/YaleDoorlockVulnerability/blob/master/HowToDo.mdExploit, Third Party Advisory

Timeline

Published: Oct 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17627?

How severe is CVE-2019-17627?

CVE-2019-17627 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17627?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17627?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST