Details of VAR-202112-2213

ID

VAR-202112-2213

CVE

CVE-2021-45508

TITLE

plural NETGEAR Vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017146

DESCRIPTION

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, 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, and RBR850 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, 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, and RBR850 prior to 3.2.17.12

Trust: 1.71

sources: NVD: CVE-2021-45508 // JVNDB: JVNDB-2021-017146 // VULMON: CVE-2021-45508

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:	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:	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:	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-2021-017146 // NVD: CVE-2021-45508

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45508
value:	CRITICAL
Trust: 1.0
cve@mitre.org:	CVE-2021-45508
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45508
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202112-2491
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-45508
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-45508
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-2021-45508
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-2021-45508
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-2021-45508
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-2021-45508 // JVNDB: JVNDB-2021-017146 // CNNVD: CNNVD-202112-2491 // NVD: CVE-2021-45508 // NVD: CVE-2021-45508

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017146 // NVD: CVE-2021-45508

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2491

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202112-2491

PATCH

title:	Security Advisory for Authentication Bypass on Some WiFi Systems, PSV-2020-0490	url:	https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490	Trust: 0.8
title:	Netgear RBR750 and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=175933	Trust: 0.6

sources: JVNDB: JVNDB-2021-017146 // CNNVD: CNNVD-202112-2491

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45508	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017146	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2491	Trust: 0.6
db:	VULMON	id:	CVE-2021-45508	Trust: 0.1

sources: VULMON: CVE-2021-45508 // JVNDB: JVNDB-2021-017146 // CNNVD: CNNVD-202112-2491 // NVD: CVE-2021-45508

REFERENCES

url:	https://kb.netgear.com/000064133/security-advisory-for-authentication-bypass-on-some-wifi-systems-psv-2020-0490	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45508	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-2021-45508 // JVNDB: JVNDB-2021-017146 // CNNVD: CNNVD-202112-2491 // NVD: CVE-2021-45508

SOURCES

db:	VULMON	id:	CVE-2021-45508
db:	JVNDB	id:	JVNDB-2021-017146
db:	CNNVD	id:	CNNVD-202112-2491
db:	NVD	id:	CVE-2021-45508

LAST UPDATE DATE

2024-11-23T21:33:26.825000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45508	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017146	date:	2023-01-05T02:24:00
db:	CNNVD	id:	CNNVD-202112-2491	date:	2022-07-14T00:00:00
db:	NVD	id:	CVE-2021-45508	date:	2024-11-21T06:32:22.573

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45508	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017146	date:	2023-01-05T00:00:00
db:	CNNVD	id:	CNNVD-202112-2491	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45508	date:	2021-12-26T01:15:13.280