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ID

VAR-201905-0919


CVE

CVE-2019-11893


TITLE

Bosch Smart Home Controller Permissions vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2019-004950

DESCRIPTION

A potential incorrect privilege assignment vulnerability exists in the app permission update API of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in a restricted app obtaining default app permissions. In order to exploit the vulnerability, the adversary needs to have successfully paired an app with restricted permissions, which required user interaction

Trust: 1.62

sources: NVD: CVE-2019-11893 // JVNDB: JVNDB-2019-004950

IOT TAXONOMY

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

Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:boschmodel:smart home controllerscope:ltversion:9.8.905

Trust: 1.0

vendor:robert boschmodel:smart home controllerscope:ltversion:9.8.905

Trust: 0.8

sources: JVNDB: JVNDB-2019-004950 // NVD: CVE-2019-11893

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2019-11893
value: HIGH

Trust: 1.0

psirt@bosch.com: CVE-2019-11893
value: MEDIUM

Trust: 1.0

NVD: CVE-2019-11893
value: HIGH

Trust: 0.8

CNNVD: CNNVD-201905-1070
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2019-11893
severity: MEDIUM
baseScore: 4.9
vectorString: AV:A/AC:M/AU:S/C:P/I:P/A:P
accessVector: ADJACENT_NETWORK
accessComplexity: MEDIUM
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 4.4
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

nvd@nist.gov: CVE-2019-11893
baseSeverity: HIGH
baseScore: 8.0
vectorString: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.1
impactScore: 5.9
version: 3.1

Trust: 1.0

psirt@bosch.com: CVE-2019-11893
baseSeverity: MEDIUM
baseScore: 5.5
vectorString: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.1
impactScore: 3.4
version: 3.0

Trust: 1.0

NVD: CVE-2019-11893
baseSeverity: HIGH
baseScore: 7.1
vectorString: CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT NETWORK
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2019-004950 // CNNVD: CNNVD-201905-1070 // NVD: CVE-2019-11893 // NVD: CVE-2019-11893

PROBLEMTYPE DATA

problemtype:CWE-269

Trust: 1.0

problemtype:CWE-266

Trust: 1.0

problemtype:CWE-275

Trust: 0.8

sources: JVNDB: JVNDB-2019-004950 // NVD: CVE-2019-11893

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-201905-1070

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-201905-1070

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2019-004950

PATCH
title:BOSCH-SA-662084url:https://psirt.bosch.com/Advisory/BOSCH-SA-662084.html
Trust: 0.8
title:Bosch Smart Home Controller Remediation measures for authorization problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=93023
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2019-004950 // 
            
            
            
            CNNVD: CNNVD-201905-1070

EXTERNAL IDS
db:NVDid:CVE-2019-11893
Trust: 2.5
db:JVNDBid:JVNDB-2019-004950
Trust: 0.8
db:CNNVDid:CNNVD-201905-1070
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            JVNDB: JVNDB-2019-004950 // 
            
            
            
            CNNVD: CNNVD-201905-1070 // 
            
            
            
            NVD: CVE-2019-11893

REFERENCES
url:https://psirt.bosch.com/advisory/bosch-sa-662084.html
Trust: 1.6
url:https://nvd.nist.gov/vuln/detail/cve-2019-11893
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-11893
Trust: 0.8
url:https://ieeexplore.ieee.org/abstract/document/10769424
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            JVNDB: JVNDB-2019-004950 // 
            
            
            
            CNNVD: CNNVD-201905-1070 // 
            
            
            
            NVD: CVE-2019-11893

SOURCES
db:OTHERid: - 
db:JVNDBid:JVNDB-2019-004950
db:CNNVDid:CNNVD-201905-1070
db:NVDid:CVE-2019-11893

LAST UPDATE DATE
2025-01-30T22:39:17.184000+00:00

SOURCES UPDATE DATE
db:JVNDBid:JVNDB-2019-004950date:2019-06-12T00:00:00
db:CNNVDid:CNNVD-201905-1070date:2020-10-09T00:00:00
db:NVDid:CVE-2019-11893date:2024-11-21T04:21:58.410

SOURCES RELEASE DATE
db:JVNDBid:JVNDB-2019-004950date:2019-06-12T00:00:00
db:CNNVDid:CNNVD-201905-1070date:2019-05-29T00:00:00
db:NVDid:CVE-2019-11893date:2019-05-29T20:29:00.297