Details of VAR-202112-2212

ID

VAR-202112-2212

CVE

CVE-2021-45509

TITLE

plural NETGEAR Vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017147

DESCRIPTION

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, 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 CBR40 prior to 2.5.0.24, 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-2021-45509 // JVNDB: JVNDB-2021-017147 // VULMON: CVE-2021-45509

AFFECTED PRODUCTS

vendor:	netgear	model:	rbr750	scope:	lt	version:	3.2.17.12	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:	cbr40	scope:	lt	version:	2.5.0.24	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:	cbr40	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:	rbk852	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr850	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017147 // NVD: CVE-2021-45509

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45509
value:	CRITICAL
Trust: 1.0
cve@mitre.org:	CVE-2021-45509
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45509
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202112-2320
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-45509
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-45509
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-45509
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2021-45509
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-2021-45509
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	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-2021-45509 // JVNDB: JVNDB-2021-017147 // CNNVD: CNNVD-202112-2320 // NVD: CVE-2021-45509 // NVD: CVE-2021-45509

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017147 // NVD: CVE-2021-45509

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2320

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202112-2320

PATCH

title:	Security Advisory for Authentication Bypass on Some WiFi Systems, PSV-2020-0564	url:	https://kb.netgear.com/000064148/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0564	Trust: 0.8
title:	Netgear RBR750 and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176042	Trust: 0.6

sources: JVNDB: JVNDB-2021-017147 // CNNVD: CNNVD-202112-2320

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45509	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017147	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2320	Trust: 0.6
db:	VULMON	id:	CVE-2021-45509	Trust: 0.1

sources: VULMON: CVE-2021-45509 // JVNDB: JVNDB-2021-017147 // CNNVD: CNNVD-202112-2320 // NVD: CVE-2021-45509

REFERENCES

url:	https://kb.netgear.com/000064148/security-advisory-for-authentication-bypass-on-some-wifi-systems-psv-2020-0564	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45509	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-2021-45509 // JVNDB: JVNDB-2021-017147 // CNNVD: CNNVD-202112-2320 // NVD: CVE-2021-45509

SOURCES

db:	VULMON	id:	CVE-2021-45509
db:	JVNDB	id:	JVNDB-2021-017147
db:	CNNVD	id:	CNNVD-202112-2320
db:	NVD	id:	CVE-2021-45509

LAST UPDATE DATE

2024-11-23T22:05:04.861000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45509	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017147	date:	2023-01-05T02:24:00
db:	CNNVD	id:	CNNVD-202112-2320	date:	2022-07-14T00:00:00
db:	NVD	id:	CVE-2021-45509	date:	2024-11-21T06:32:22.730

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45509	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017147	date:	2023-01-05T00:00:00
db:	CNNVD	id:	CNNVD-202112-2320	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45509	date:	2021-12-26T01:15:13.333