Details of VAR-202112-2219

ID

VAR-202112-2219

CVE

CVE-2021-45502

TITLE

plural NETGEAR Vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017140

DESCRIPTION

Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, 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, 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-2021-45502 // JVNDB: JVNDB-2021-017140 // VULMON: CVE-2021-45502

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-2021-017140 // NVD: CVE-2021-45502

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45502
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45502
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45502
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2319
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45502
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45502
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-2021-45502
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-2021-45502
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-2021-45502
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-2021-45502 // JVNDB: JVNDB-2021-017140 // CNNVD: CNNVD-202112-2319 // NVD: CVE-2021-45502 // NVD: CVE-2021-45502

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017140 // NVD: CVE-2021-45502

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202112-2319

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202112-2319

PATCH

title:	Security Advisory for Authentication Bypass on Some WiFi Systems, PSV-2020-0473	url:	https://kb.netgear.com/000064126/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0473	Trust: 0.8
title:	Netgear RBR750 and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176038	Trust: 0.6

sources: JVNDB: JVNDB-2021-017140 // CNNVD: CNNVD-202112-2319

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45502	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017140	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2319	Trust: 0.6
db:	VULMON	id:	CVE-2021-45502	Trust: 0.1

sources: VULMON: CVE-2021-45502 // JVNDB: JVNDB-2021-017140 // CNNVD: CNNVD-202112-2319 // NVD: CVE-2021-45502

REFERENCES

url:	https://kb.netgear.com/000064126/security-advisory-for-authentication-bypass-on-some-wifi-systems-psv-2020-0473	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45502	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-2021-45502 // JVNDB: JVNDB-2021-017140 // CNNVD: CNNVD-202112-2319 // NVD: CVE-2021-45502

SOURCES

db:	VULMON	id:	CVE-2021-45502
db:	JVNDB	id:	JVNDB-2021-017140
db:	CNNVD	id:	CNNVD-202112-2319
db:	NVD	id:	CVE-2021-45502

LAST UPDATE DATE

2024-11-23T22:57:50.445000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45502	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017140	date:	2023-01-05T02:24:00
db:	CNNVD	id:	CNNVD-202112-2319	date:	2022-07-14T00:00:00
db:	NVD	id:	CVE-2021-45502	date:	2024-11-21T06:32:21.600

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45502	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017140	date:	2023-01-05T00:00:00
db:	CNNVD	id:	CNNVD-202112-2319	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45502	date:	2021-12-26T01:15:12.983