What’s Vulnerable › Vulnerabilities

CVE-2019-17627

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-16 · updated 2026-06-17
• Weakness: CWE-287

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.

Affected products

• Yalehome Yale Bluetooth Key: all versions

References

• https://github.com/PwnMonkeyLab/YaleDoorlockVulnerability/blob/master/HowToDo.md
• https://github.com/PwnMonkeyLab/YaleDoorlockVulnerability/blob/master/HowToDo.md

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