Details of VAR-202112-2418

ID

VAR-202112-2418

CVE

CVE-2021-45530

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-017286

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120. plural NETGEAR A classic buffer overflow vulnerability exists on the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This affects R7000 prior to 1.0.11.126, R7960P prior to 1.4.2.84, R8000 prior to 1.0.4.74, RAX200 prior to 1.0.4.120, R8000P prior to 1.4.2.84, RAX20 prior to 1.0.2.82, RAX45 prior to 1.0.2.82, RAX80 prior to 1.0.4.120, R7900P prior to 1.4.2.84, RAX15 prior to 1.0.2.82, RAX50 prior to 1.0.2.82, and RAX75 prior to 1.0.4.120

Trust: 1.71

sources: NVD: CVE-2021-45530 // JVNDB: JVNDB-2021-017286 // VULMON: CVE-2021-45530

AFFECTED PRODUCTS

vendor:	netgear	model:	rax50	scope:	lt	version:	1.0.2.82	Trust: 1.0
vendor:	netgear	model:	rax15	scope:	lt	version:	1.0.2.82	Trust: 1.0
vendor:	netgear	model:	r7960p	scope:	lt	version:	1.4.2.84	Trust: 1.0
vendor:	netgear	model:	rax80	scope:	lt	version:	1.0.4.120	Trust: 1.0
vendor:	netgear	model:	rax75	scope:	lt	version:	1.0.4.120	Trust: 1.0
vendor:	netgear	model:	r8000p	scope:	lt	version:	1.4.2.84	Trust: 1.0
vendor:	netgear	model:	rax20	scope:	lt	version:	1.0.2.82	Trust: 1.0
vendor:	netgear	model:	r7000	scope:	lt	version:	1.0.11.126	Trust: 1.0
vendor:	netgear	model:	rax45	scope:	lt	version:	1.0.2.82	Trust: 1.0
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.4.2.84	Trust: 1.0
vendor:	netgear	model:	r8000	scope:	lt	version:	1.0.4.74	Trust: 1.0
vendor:	netgear	model:	rax200	scope:	lt	version:	1.0.4.120	Trust: 1.0
vendor:	ネットギア	model:	rax45	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax75	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7960p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7000	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax15	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax20	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r8000	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r8000p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7000p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax200	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017286 // NVD: CVE-2021-45530

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45530
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45530
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-45530
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2345
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45530
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45530
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-45530
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
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-2021-45530
baseSeverity:	MEDIUM
baseScore:	4.5
vectorString:	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	0.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45530
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-45530 // JVNDB: JVNDB-2021-017286 // CNNVD: CNNVD-202112-2345 // NVD: CVE-2021-45530 // NVD: CVE-2021-45530

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-017286 // NVD: CVE-2021-45530

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2345

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2345

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers, PSV-2020-0320	url:	https://kb.netgear.com/000064486/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0320	Trust: 0.8
title:	Netgear NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177103	Trust: 0.6

sources: JVNDB: JVNDB-2021-017286 // CNNVD: CNNVD-202112-2345

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45530	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017286	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2345	Trust: 0.6
db:	VULMON	id:	CVE-2021-45530	Trust: 0.1

sources: VULMON: CVE-2021-45530 // JVNDB: JVNDB-2021-017286 // CNNVD: CNNVD-202112-2345 // NVD: CVE-2021-45530

REFERENCES

url:	https://kb.netgear.com/000064486/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-psv-2020-0320	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45530	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/120.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-45530 // JVNDB: JVNDB-2021-017286 // CNNVD: CNNVD-202112-2345 // NVD: CVE-2021-45530

SOURCES

db:	VULMON	id:	CVE-2021-45530
db:	JVNDB	id:	JVNDB-2021-017286
db:	CNNVD	id:	CNNVD-202112-2345
db:	NVD	id:	CVE-2021-45530

LAST UPDATE DATE

2024-11-23T21:50:45.742000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45530	date:	2022-01-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-017286	date:	2023-01-13T05:03:00
db:	CNNVD	id:	CNNVD-202112-2345	date:	2022-01-10T00:00:00
db:	NVD	id:	CVE-2021-45530	date:	2024-11-21T06:32:26.133

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45530	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017286	date:	2023-01-13T00:00:00
db:	CNNVD	id:	CNNVD-202112-2345	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45530	date:	2021-12-26T01:15:14.350