What’s Vulnerable › Vulnerabilities

CVE-2018-20958

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-07 · updated 2026-06-17
• Weakness: CWE-200

Description

The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device.

Affected products

• Tapplock Firmware: before 2018-06-12 — fixed in 2018-06-12

How to fix

Upgrade to a fixed version: Tapplock Firmware 2018-06-12. Check the vendor advisory for mitigations.

References

• https://tapplock.com/notice/20180612/
• https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/
• https://tapplock.com/notice/20180612/
• https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/

Get alerted when CVE-2018-20958 or the next vulnerability affects your stack