Details of VAR-202108-1657

ID

VAR-202108-1657

CVE

CVE-2021-38530

TITLE

plural NETGEAR Command injection vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-010446

DESCRIPTION

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40. plural NETGEAR A command injection vulnerability exists in the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This affects RBK40 prior to 2.5.1.16, RBR40 prior to 2.5.1.16, RBS40 prior to 2.5.1.16, RBK20 prior to 2.5.1.16, RBR20 prior to 2.5.1.16, RBS20 prior to 2.5.1.16, RBK50 prior to 2.5.1.16, RBR50 prior to 2.5.1.16, RBS50 prior to 2.5.1.16, and RBS50Y prior to 2.6.1.40

Trust: 1.71

sources: NVD: CVE-2021-38530 // JVNDB: JVNDB-2021-010446 // VULMON: CVE-2021-38530

AFFECTED PRODUCTS

vendor:	netgear	model:	rbr50	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbk50	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbs50y	scope:	lt	version:	2.6.1.40	Trust: 1.0
vendor:	netgear	model:	rbs50	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbr20	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbr40	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbs20	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbk40	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbk20	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	netgear	model:	rbs40	scope:	lt	version:	2.5.1.16	Trust: 1.0
vendor:	ネットギア	model:	rbk50	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr50	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbk40	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs50	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr20	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbr40	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs50y	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbk20	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs40	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rbs20	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-010446 // NVD: CVE-2021-38530

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-38530
value:	CRITICAL
Trust: 1.0
cve@mitre.org:	CVE-2021-38530
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-38530
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202108-952
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-38530
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-38530
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-38530
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-2021-38530
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-2021-38530
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-2021-38530 // JVNDB: JVNDB-2021-010446 // CNNVD: CNNVD-202108-952 // NVD: CVE-2021-38530 // NVD: CVE-2021-38530

PROBLEMTYPE DATA

problemtype:	CWE-77	Trust: 1.0
problemtype:	Command injection (CWE-77) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-010446 // NVD: CVE-2021-38530

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-952

TYPE

command injection

Trust: 0.6

sources: CNNVD: CNNVD-202108-952

PATCH

title:	Security Advisory for Pre-Authentication Command Injection on Some WiFi Systems, PSV-2019-0151	url:	https://kb.netgear.com/000063770/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2019-0151	Trust: 0.8
title:	Netgear NETGEAR Fixes for command injection vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159346	Trust: 0.6

sources: JVNDB: JVNDB-2021-010446 // CNNVD: CNNVD-202108-952

EXTERNAL IDS

db:	NVD	id:	CVE-2021-38530	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-010446	Trust: 0.8
db:	CNNVD	id:	CNNVD-202108-952	Trust: 0.6
db:	VULMON	id:	CVE-2021-38530	Trust: 0.1

sources: VULMON: CVE-2021-38530 // JVNDB: JVNDB-2021-010446 // CNNVD: CNNVD-202108-952 // NVD: CVE-2021-38530

REFERENCES

url:	https://kb.netgear.com/000063770/security-advisory-for-pre-authentication-command-injection-on-some-wifi-systems-psv-2019-0151	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-38530	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/77.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-38530 // JVNDB: JVNDB-2021-010446 // CNNVD: CNNVD-202108-952 // NVD: CVE-2021-38530

SOURCES

db:	VULMON	id:	CVE-2021-38530
db:	JVNDB	id:	JVNDB-2021-010446
db:	CNNVD	id:	CNNVD-202108-952
db:	NVD	id:	CVE-2021-38530

LAST UPDATE DATE

2024-08-14T14:18:23.124000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-38530	date:	2021-08-19T00:00:00
db:	JVNDB	id:	JVNDB-2021-010446	date:	2022-07-01T06:12:00
db:	CNNVD	id:	CNNVD-202108-952	date:	2021-08-26T00:00:00
db:	NVD	id:	CVE-2021-38530	date:	2021-08-19T13:44:39.207

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-38530	date:	2021-08-11T00:00:00
db:	JVNDB	id:	JVNDB-2021-010446	date:	2022-07-01T00:00:00
db:	CNNVD	id:	CNNVD-202108-952	date:	2021-08-10T00:00:00
db:	NVD	id:	CVE-2021-38530	date:	2021-08-11T00:17:02.977