What is CVE-2018-20958?

CVE-2018-20958 is a medium-severity vulnerability in Tapplock, classified under Information Disclosure. CVSS score: 6.5/10. Published 2019-08-07.

How severe is CVE-2018-20958?

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

Information disclosure in Tapplock

CVE-2018-20958

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.

Vulnerability class: Information Disclosure

EPSS: 0.005 (39.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tapplock
Tapplock Tapplock_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2018-20958?: CVE-2018-20958 is a medium-severity vulnerability in Tapplock, classified under Information Disclosure. CVSS score: 6.5/10. Published 2019-08-07.
How severe is CVE-2018-20958?: Medium severity. CVSS v3 base score is 6.5 out of 10.