CVE-2018-20958

CVSS V2 Low 3.3 CVSS V3 Medium 6.5

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.

Overview

CVE ID
CVE-2018-20958

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-08-07T13:15:13

Last Modified Date
2019-08-15T19:48:50

Weakness Enumerations

CWE	URL
CWE-200	http://cwe.mitre.org/data/definitions/200.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:tapplock:tapplock_firmware::::::::	1	OR		2018-06-12
cpe:2.3:h:tapplock:tapplock:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:A/AC:L/Au:N/C:P/I:N/A:N

Access Vector
ADJACENT_NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
3.3

Severity
LOW

Exploitability Score
6.5

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/	Third Party Advisory
https://tapplock.com/notice/20180612/	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-20958
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20958

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:38:23				Added to TrackCVE
2022-12-04 00:46:06	2019-08-07T13:15Z	2019-08-07T13:15:13	CVE Published Date	updated
2022-12-04 00:46:06		2019-08-15T19:48:50	CVE Modified Date	updated
2022-12-04 00:46:06		Analyzed	Vulnerability Status	updated