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ID

VAR-202008-0639


CVE

CVE-2020-15531


TITLE

Silicon Labs Bluetooth Low Energy SDK Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-009653

DESCRIPTION

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles. (DoS) It may be put into a state

Trust: 1.62

sources: NVD: CVE-2020-15531 // JVNDB: JVNDB-2020-009653

IOT TAXONOMY

category:['network device', 'embedded device']sub_category:SoC

Trust: 0.1

category:['network device', 'embedded device']sub_category:bluetooth device

Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:silabsmodel:bluetooth low energy software development kitscope:ltversion:2.13.3.0

Trust: 1.0

vendor:siliconmodel:bluetooth low energy sdkscope:eqversion:2.13.3

Trust: 0.8

sources: JVNDB: JVNDB-2020-009653 // NVD: CVE-2020-15531

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-15531
value: HIGH

Trust: 1.0

NVD: JVNDB-2020-009653
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202008-994
value: MEDIUM

Trust: 0.6

nvd@nist.gov: CVE-2020-15531
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: 1.0

NVD: JVNDB-2020-009653
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: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

nvd@nist.gov: CVE-2020-15531
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/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: 3.1

Trust: 1.0

NVD: JVNDB-2020-009653
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 NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2020-009653 // CNNVD: CNNVD-202008-994 // NVD: CVE-2020-15531

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2020-009653 // NVD: CVE-2020-15531

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202008-994

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202008-994

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-009653

PATCH
title:Silicon Labs Bluetooth@ Low Energy (LE) and Mesh Softwareurl:https://www.silabs.com/products/development-tools/software/bluetooth-low-energy
Trust: 0.8
sources:
            
            
            JVNDB: JVNDB-2020-009653

EXTERNAL IDS
db:NVDid:CVE-2020-15531
Trust: 2.5
db:JVNDBid:JVNDB-2020-009653
Trust: 0.8
db:CNNVDid:CNNVD-202008-994
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            JVNDB: JVNDB-2020-009653 // 
            
            
            
            CNNVD: CNNVD-202008-994 // 
            
            
            
            NVD: CVE-2020-15531

REFERENCES
url:https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py
Trust: 2.4
url:https://github.com/darkmentorllc/publications/tree/master/2020/ti_silabs_ble_rces
Trust: 2.4
url:https://www.youtube.com/watch?v=saotr1nwdzm
Trust: 1.6
url:https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655
Trust: 1.6
url:https://nvd.nist.gov/vuln/detail/cve-2020-15531
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-15531
Trust: 0.8
url:https://ieeexplore.ieee.org/abstract/document/10769424
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            JVNDB: JVNDB-2020-009653 // 
            
            
            
            CNNVD: CNNVD-202008-994 // 
            
            
            
            NVD: CVE-2020-15531

SOURCES
db:OTHERid: - 
db:JVNDBid:JVNDB-2020-009653
db:CNNVDid:CNNVD-202008-994
db:NVDid:CVE-2020-15531

LAST UPDATE DATE
2025-01-30T20:52:44.340000+00:00

SOURCES UPDATE DATE
db:JVNDBid:JVNDB-2020-009653date:2020-11-25T06:36:57
db:CNNVDid:CNNVD-202008-994date:2021-01-05T00:00:00
db:NVDid:CVE-2020-15531date:2024-11-21T05:05:42.387

SOURCES RELEASE DATE
db:JVNDBid:JVNDB-2020-009653date:2020-11-25T06:36:57
db:CNNVDid:CNNVD-202008-994date:2020-08-19T00:00:00
db:NVDid:CVE-2020-15531date:2020-08-20T01:17:12.663