Details of VAR-202112-2216

ID

VAR-202112-2216

CVE

CVE-2021-45505

TITLE

plural NETGEAR Vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017143

DESCRIPTION

Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12. plural NETGEAR There is an unspecified vulnerability in the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This affects CBR750 prior to 4.6.3.6, RBK752 prior to 3.2.17.12, RBR750 prior to 3.2.17.12, RBS750 prior to 3.2.17.12, RBK852 prior to 3.2.17.12, RBR850 prior to 3.2.17.12, and RBS850 prior to 3.2.17.12

Trust: 1.71

sources: NVD: CVE-2021-45505 // JVNDB: JVNDB-2021-017143 // VULMON: CVE-2021-45505

AFFECTED PRODUCTS

vendor:	netgear	model:	rbr750	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	netgear	model:	cbr750	scope:	lt	version:	4.6.3.6	Trust: 1.0
vendor:	netgear	model:	rbs850	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	netgear	model:	rbs750	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	netgear	model:	rbk852	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	netgear	model:	rbr850	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	netgear	model:	rbk752	scope:	lt	version:	3.2.17.12	Trust: 1.0
vendor:	ネットギア	model:	rbk752	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs850	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs750	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr750	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	cbr750	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbk852	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr850	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017143 // NVD: CVE-2021-45505

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45505
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45505
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45505
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2323
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45505
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45505
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: 1.9

nvd@nist.gov:	CVE-2021-45505
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
cve@mitre.org:	CVE-2021-45505
baseSeverity:	CRITICAL
baseScore:	9.6
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	6.0
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45505
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: VULMON: CVE-2021-45505 // JVNDB: JVNDB-2021-017143 // CNNVD: CNNVD-202112-2323 // NVD: CVE-2021-45505 // NVD: CVE-2021-45505

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Lack of information (CWE-noinfo) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-017143 // NVD: CVE-2021-45505

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202112-2323

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202112-2323

PATCH

title:	Security Advisory for Authentication Bypass on Some WiFi Systems, PSV-2020-0477	url:	https://kb.netgear.com/000064129/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0477	Trust: 0.8
title:	Netgear RBR750 and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176054	Trust: 0.6

sources: JVNDB: JVNDB-2021-017143 // CNNVD: CNNVD-202112-2323

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45505	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017143	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2323	Trust: 0.6
db:	VULMON	id:	CVE-2021-45505	Trust: 0.1

sources: VULMON: CVE-2021-45505 // JVNDB: JVNDB-2021-017143 // CNNVD: CNNVD-202112-2323 // NVD: CVE-2021-45505

REFERENCES

url:	https://kb.netgear.com/000064129/security-advisory-for-authentication-bypass-on-some-wifi-systems-psv-2020-0477	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45505	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/287.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-45505 // JVNDB: JVNDB-2021-017143 // CNNVD: CNNVD-202112-2323 // NVD: CVE-2021-45505

SOURCES

db:	VULMON	id:	CVE-2021-45505
db:	JVNDB	id:	JVNDB-2021-017143
db:	CNNVD	id:	CNNVD-202112-2323
db:	NVD	id:	CVE-2021-45505

LAST UPDATE DATE

2024-11-23T22:36:59.358000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45505	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017143	date:	2023-01-05T02:24:00
db:	CNNVD	id:	CNNVD-202112-2323	date:	2022-07-14T00:00:00
db:	NVD	id:	CVE-2021-45505	date:	2024-11-21T06:32:22.110

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45505	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017143	date:	2023-01-05T00:00:00
db:	CNNVD	id:	CNNVD-202112-2323	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45505	date:	2021-12-26T01:15:13.133