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ID

VAR-202007-0050


CVE

CVE-2020-10923


TITLE

NETGEAR R6700 Authentication evasion vulnerability due to fundamental vulnerability in router

Trust: 0.8

sources: JVNDB: JVNDB-2020-008757

DESCRIPTION

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000. A crafted UPnP message can be used to bypass authentication. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-9642. Zero Day Initiative To this vulnerability ZDI-CAN-9642 Was numbered.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. NETGEAR R6700 is a wireless router made by NETGEAR. The vulnerability stems from improper design or implementation in the code development process of network systems or products

Trust: 2.88

sources: NVD: CVE-2020-10923 // JVNDB: JVNDB-2020-008757 // ZDI: ZDI-20-703 // CNVD: CNVD-2020-43147 // VULMON: CVE-2020-10923

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-43147

AFFECTED PRODUCTS

vendor:netgearmodel:r6700scope:eqversion:1.0.4.84_10.0.58

Trust: 1.8

vendor:netgearmodel:r6700scope: - version: -

Trust: 0.7

vendor:netgearmodel:r6700 v1.0.4.84 10.0.58scope: - version: -

Trust: 0.6

sources: ZDI: ZDI-20-703 // CNVD: CNVD-2020-43147 // JVNDB: JVNDB-2020-008757 // NVD: CVE-2020-10923

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-10923
value: HIGH

Trust: 1.0

zdi-disclosures@trendmicro.com: CVE-2020-10923
value: MEDIUM

Trust: 1.0

NVD: JVNDB-2020-008757
value: HIGH

Trust: 0.8

ZDI: ZDI-20-703
value: MEDIUM

Trust: 0.7

CNVD: CNVD-2020-43147
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202007-1639
value: HIGH

Trust: 0.6

VULMON: CVE-2020-10923
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2020-10923
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

NVD: JVNDB-2020-008757
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2020-43147
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-10923
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

zdi-disclosures@trendmicro.com: CVE-2020-10923
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 1.0

NVD: JVNDB-2020-008757
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

ZDI: ZDI-20-703
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-20-703 // CNVD: CNVD-2020-43147 // VULMON: CVE-2020-10923 // JVNDB: JVNDB-2020-008757 // CNNVD: CNNVD-202007-1639 // NVD: CVE-2020-10923 // NVD: CVE-2020-10923

PROBLEMTYPE DATA

problemtype:CWE-305

Trust: 1.8

sources: JVNDB: JVNDB-2020-008757 // NVD: CVE-2020-10923

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202007-1639

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202007-1639

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2020-008757

PATCH
title:Top Pageurl:https://www.netgear.com/
Trust: 0.8
title:Exploits and Advisories
CVEs
Exploitsurl:https://github.com/rdomanski/Exploits_and_Advisories 
Trust: 0.1
sources:
            
            
            VULMON: CVE-2020-10923 // 
            
            
            
            JVNDB: JVNDB-2020-008757

EXTERNAL IDS
db:ZDIid:ZDI-20-703
Trust: 3.8
db:NVDid:CVE-2020-10923
Trust: 3.1
db:JVNDBid:JVNDB-2020-008757
Trust: 0.8
db:ZDI_CANid:ZDI-CAN-9642
Trust: 0.7
db:CNVDid:CNVD-2020-43147
Trust: 0.6
db:CNNVDid:CNNVD-202007-1639
Trust: 0.6
db:VULMONid:CVE-2020-10923
Trust: 0.1
sources:
            
            
            ZDI: ZDI-20-703 // 
            
            
            
            CNVD: CNVD-2020-43147 // 
            
            
            
            VULMON: CVE-2020-10923 // 
            
            
            
            JVNDB: JVNDB-2020-008757 // 
            
            
            
            CNNVD: CNNVD-202007-1639 // 
            
            
            
            NVD: CVE-2020-10923

REFERENCES
url:https://www.zerodayinitiative.com/advisories/zdi-20-703/
Trust: 3.1
url:https://nvd.nist.gov/vuln/detail/cve-2020-10923
Trust: 1.4
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-10923
Trust: 0.8
url:https://cwe.mitre.org/data/definitions/305.html
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
url:https://www.rapid7.com/db/modules/auxiliary/admin/http/netgear_r6700_pass_reset/
Trust: 0.1
url:https://github.com/rdomanski/exploits_and_advisories
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2020-43147 // 
            
            
            
            VULMON: CVE-2020-10923 // 
            
            
            
            JVNDB: JVNDB-2020-008757 // 
            
            
            
            CNNVD: CNNVD-202007-1639 // 
            
            
            
            NVD: CVE-2020-10923

CREDITS
Pedro Ribeiro and Radek Domanski of Team Flashback
Trust: 0.7
sources:
            
            
            ZDI: ZDI-20-703

SOURCES
db:ZDIid:ZDI-20-703
db:CNVDid:CNVD-2020-43147
db:VULMONid:CVE-2020-10923
db:JVNDBid:JVNDB-2020-008757
db:CNNVDid:CNNVD-202007-1639
db:NVDid:CVE-2020-10923

LAST UPDATE DATE
2024-11-23T23:07:55.889000+00:00

SOURCES UPDATE DATE
db:ZDIid:ZDI-20-703date:2020-06-15T00:00:00
db:CNVDid:CNVD-2020-43147date:2020-07-30T00:00:00
db:VULMONid:CVE-2020-10923date:2020-07-29T00:00:00
db:JVNDBid:JVNDB-2020-008757date:2020-09-24T00:00:00
db:CNNVDid:CNNVD-202007-1639date:2020-07-30T00:00:00
db:NVDid:CVE-2020-10923date:2024-11-21T04:56:22.703

SOURCES RELEASE DATE
db:ZDIid:ZDI-20-703date:2020-06-15T00:00:00
db:CNVDid:CNVD-2020-43147date:2020-07-30T00:00:00
db:VULMONid:CVE-2020-10923date:2020-07-28T00:00:00
db:JVNDBid:JVNDB-2020-008757date:2020-09-24T00:00:00
db:CNNVDid:CNNVD-202007-1639date:2020-07-28T00:00:00
db:NVDid:CVE-2020-10923date:2020-07-28T18:15:13.597