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ID

VAR-201908-1729


CVE

CVE-2018-20957


TITLE

Tapplock Bluetooth Low Energy Subsystem Access Control Error Vulnerability

Trust: 1.2

sources: CNVD: CNVD-2019-44748 // CNNVD: CNNVD-201908-607

DESCRIPTION

The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 allows replay attacks. Tapplock The device contains an access control vulnerability.Information is acquired, information is falsified, and denial of service (DoS) May be in a state. Tapplock is a smart lock. An access control error vulnerability exists in the BLE subsystem in versions prior to Tapplock 2018-06-12. Attackers can use this vulnerability to implement replay attacks

Trust: 2.16

sources: NVD: CVE-2018-20957 // JVNDB: JVNDB-2018-016009 // CNVD: CNVD-2019-44748

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

category:['home & office device']sub_category:smart lock

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2019-44748

AFFECTED PRODUCTS

vendor:tapplockmodel:one\+scope:ltversion:2018-06-12

Trust: 1.0

vendor:tapplock corpmodel:one+scope:eqversion:2018/06/12

Trust: 0.8

vendor:pishonmodel:lab tapplockscope:ltversion:2018-06-12

Trust: 0.6

sources: CNVD: CNVD-2019-44748 // JVNDB: JVNDB-2018-016009 // NVD: CVE-2018-20957

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2018-20957
value: HIGH

Trust: 1.0

NVD: CVE-2018-20957
value: HIGH

Trust: 0.8

CNVD: CNVD-2019-44748
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-201908-607
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2018-20957
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2019-44748
severity: MEDIUM
baseScore: 5.8
vectorString: AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 6.5
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2018-20957
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 1.8

sources: CNVD: CNVD-2019-44748 // JVNDB: JVNDB-2018-016009 // CNNVD: CNNVD-201908-607 // NVD: CVE-2018-20957

PROBLEMTYPE DATA

problemtype:CWE-284

Trust: 1.8

sources: JVNDB: JVNDB-2018-016009 // NVD: CVE-2018-20957

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-201908-607

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-201908-607

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2018-016009

PATCH
title:support centerurl:https://tapplock.com/notice/20180612/
Trust: 0.8
title:Patch for Tapplock Bluetooth Low Energy Subsystem Access Control Error Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/193677
Trust: 0.6
title:Tapplock Bluetooth Low Energy Subsystem security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=96289
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2019-44748 // 
            
            
            
            JVNDB: JVNDB-2018-016009 // 
            
            
            
            CNNVD: CNNVD-201908-607

EXTERNAL IDS
db:NVDid:CVE-2018-20957
Trust: 3.1
db:JVNDBid:JVNDB-2018-016009
Trust: 0.8
db:CNVDid:CNVD-2019-44748
Trust: 0.6
db:CNNVDid:CNNVD-201908-607
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2019-44748 // 
            
            
            
            JVNDB: JVNDB-2018-016009 // 
            
            
            
            CNNVD: CNNVD-201908-607 // 
            
            
            
            NVD: CVE-2018-20957

REFERENCES
url:https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/
Trust: 3.0
url:https://tapplock.com/notice/20180612/
Trust: 2.2
url:https://nvd.nist.gov/vuln/detail/cve-2018-20957
Trust: 2.0
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-20957
Trust: 0.8
url:https://ieeexplore.ieee.org/abstract/document/10769424
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2019-44748 // 
            
            
            
            JVNDB: JVNDB-2018-016009 // 
            
            
            
            CNNVD: CNNVD-201908-607 // 
            
            
            
            NVD: CVE-2018-20957

SOURCES
db:OTHERid: - 
db:CNVDid:CNVD-2019-44748
db:JVNDBid:JVNDB-2018-016009
db:CNNVDid:CNNVD-201908-607
db:NVDid:CVE-2018-20957

LAST UPDATE DATE
2025-01-30T22:18:19.945000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2019-44748date:2019-12-11T00:00:00
db:JVNDBid:JVNDB-2018-016009date:2019-08-20T00:00:00
db:CNNVDid:CNNVD-201908-607date:2019-08-19T00:00:00
db:NVDid:CVE-2018-20957date:2024-11-21T04:02:33.690

SOURCES RELEASE DATE
db:CNVDid:CNVD-2019-44748date:2019-12-11T00:00:00
db:JVNDBid:JVNDB-2018-016009date:2019-08-20T00:00:00
db:CNNVDid:CNNVD-201908-607date:2019-08-08T00:00:00
db:NVDid:CVE-2018-20957date:2019-08-08T21:15:11.723