Details of VAR-202111-0965

ID

VAR-202111-0965

CVE

CVE-2021-42783

TITLE

D-Link DWR-932C E1 Vulnerability related to lack of authentication for critical functions in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-015484

DESCRIPTION

Missing Authentication for Critical Function vulnerability in debug_post_set.cgi of D-Link DWR-932C E1 firmware allows an unauthenticated attacker to execute administrative actions. (DoS) It may be in a state. D-Link Dwr-932C E1 is a WiFi mobile modem router from China's D-Link company. The D-Link DWR-932C E1 firmware has a security vulnerability. The vulnerability stems from the lack of key function certification in post set.cgi. Attackers can use this vulnerability to perform management operations

Trust: 2.16

sources: NVD: CVE-2021-42783 // JVNDB: JVNDB-2021-015484 // CNVD: CNVD-2021-92470

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-92470

AFFECTED PRODUCTS

vendor:	dlink	model:	dwr-932c e1	scope:	lte	version:	1.0.0.4	Trust: 1.0
vendor:	d link	model:	dwr-932c e1	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dwr-932c e1	scope:	eq	version:	dwr-932c e1 firmware	Trust: 0.8
vendor:	d link	model:	dwr-932c e1	scope:	eq	version:	-	Trust: 0.8
vendor:	d link	model:	dwr-932c e1	scope:	lte	version:	<=1.0.0.4	Trust: 0.6

sources: CNVD: CNVD-2021-92470 // JVNDB: JVNDB-2021-015484 // NVD: CVE-2021-42783

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-42783
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-42783
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-92470
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202111-2062
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2021-42783
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: 1.8
CNVD:	CNVD-2021-92470
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: 0.6

nvd@nist.gov:	CVE-2021-42783
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
NVD:	CVE-2021-42783
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: CNVD: CNVD-2021-92470 // JVNDB: JVNDB-2021-015484 // CNNVD: CNNVD-202111-2062 // NVD: CVE-2021-42783

PROBLEMTYPE DATA

problemtype:	CWE-306	Trust: 1.0
problemtype:	Lack of authentication for critical features (CWE-306) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-015484 // NVD: CVE-2021-42783

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202111-2062

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202111-2062

PATCH

title:	Remote Code Execution via Authentication Bypass and Command Injection	url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10246	Trust: 0.8
title:	D-Link DWR-932C E1 has a patch with unknown vulnerabilities	url:	https://www.cnvd.org.cn/patchInfo/show/301891	Trust: 0.6
title:	D-Link Dwr-932C E1 Fixes for access control error vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=172366	Trust: 0.6

sources: CNVD: CNVD-2021-92470 // JVNDB: JVNDB-2021-015484 // CNNVD: CNNVD-202111-2062

EXTERNAL IDS

db:	NVD	id:	CVE-2021-42783	Trust: 3.8
db:	DLINK	id:	SAP10246	Trust: 1.6
db:	JVNDB	id:	JVNDB-2021-015484	Trust: 0.8
db:	CNVD	id:	CNVD-2021-92470	Trust: 0.6
db:	CNNVD	id:	CNNVD-202111-2062	Trust: 0.6

sources: CNVD: CNVD-2021-92470 // JVNDB: JVNDB-2021-015484 // CNNVD: CNNVD-202111-2062 // NVD: CVE-2021-42783

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2021-42783	Trust: 2.0
url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10246	Trust: 1.6

sources: CNVD: CNVD-2021-92470 // JVNDB: JVNDB-2021-015484 // CNNVD: CNNVD-202111-2062 // NVD: CVE-2021-42783

SOURCES

db:	CNVD	id:	CNVD-2021-92470
db:	JVNDB	id:	JVNDB-2021-015484
db:	CNNVD	id:	CNNVD-202111-2062
db:	NVD	id:	CVE-2021-42783

LAST UPDATE DATE

2024-08-14T15:01:16.740000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-92470	date:	2021-11-30T00:00:00
db:	JVNDB	id:	JVNDB-2021-015484	date:	2022-11-22T06:28:00
db:	CNNVD	id:	CNNVD-202111-2062	date:	2021-12-01T00:00:00
db:	NVD	id:	CVE-2021-42783	date:	2021-11-29T14:14:00.860

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-92470	date:	2021-11-30T00:00:00
db:	JVNDB	id:	JVNDB-2021-015484	date:	2022-11-22T00:00:00
db:	CNNVD	id:	CNNVD-202111-2062	date:	2021-11-23T00:00:00
db:	NVD	id:	CVE-2021-42783	date:	2021-11-23T22:15:08.023