Details of VAR-202107-0568

ID

VAR-202107-0568

CVE

CVE-2021-21818

TITLE

D-LINK DIR-3040 Vulnerability in Using Hard Coded Credentials

Trust: 0.8

sources: JVNDB: JVNDB-2021-009660

DESCRIPTION

A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of requests to trigger this vulnerability. D-LINK DIR-3040 Is vulnerable to the use of hard-coded credentials.Denial of service (DoS) It may be put into a state. D-LINK DIR-3040 is a router of D-Link Corporation in Taiwan. Provides the function of connecting to the network. Attackers can cause the target to deny service through special requests. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements

Trust: 2.79

sources: NVD: CVE-2021-21818 // JVNDB: JVNDB-2021-009660 // CNVD: CNVD-2021-53335 // CNNVD: CNNVD-202104-975 // VULMON: CVE-2021-21818

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-53335

AFFECTED PRODUCTS

vendor:	dlink	model:	dir-3040	scope:	eq	version:	1.13b03	Trust: 1.0
vendor:	d link	model:	dir-3040	scope:	eq	version:	-	Trust: 0.8
vendor:	d link	model:	dir-3040	scope:	eq	version:	dir-3040 firmware 1.13b03	Trust: 0.8
vendor:	dlink	model:	d-link dir-3040 1.13b03	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-53335 // JVNDB: JVNDB-2021-009660 // NVD: CVE-2021-21818

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-21818
value:	HIGH
Trust: 1.0
talos-cna@cisco.com:	CVE-2021-21818
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-21818
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-53335
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202104-975
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202107-1224
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-21818
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-21818
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-53335
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

talos-cna@cisco.com:	CVE-2021-21818
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8
nvd@nist.gov:	CVE-2021-21818
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2021-53335 // VULMON: CVE-2021-21818 // JVNDB: JVNDB-2021-009660 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1224 // NVD: CVE-2021-21818 // NVD: CVE-2021-21818

PROBLEMTYPE DATA

problemtype:	CWE-798	Trust: 1.0
problemtype:	CWE-259	Trust: 1.0
problemtype:	Using hardcoded credentials (CWE-798) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-009660 // NVD: CVE-2021-21818

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-1224

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:	Top Page	url:	https://www.dlink.com.br/	Trust: 0.8
title:	Patch for D-LINK DIR-3040 trust management issue vulnerability (CNVD-2021-53335)	url:	https://www.cnvd.org.cn/patchInfo/show/280236	Trust: 0.6
title:	D-Link D-LINK DIR-3040 Repair measures for trust management problem vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=156838	Trust: 0.6

sources: CNVD: CNVD-2021-53335 // JVNDB: JVNDB-2021-009660 // CNNVD: CNNVD-202107-1224

EXTERNAL IDS

db:	NVD	id:	CVE-2021-21818	Trust: 3.9
db:	TALOS	id:	TALOS-2021-1283	Trust: 3.1
db:	JVNDB	id:	JVNDB-2021-009660	Trust: 0.8
db:	CNVD	id:	CNVD-2021-53335	Trust: 0.6
db:	CS-HELP	id:	SB2021041363	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-975	Trust: 0.6
db:	CS-HELP	id:	SB2021071610	Trust: 0.6
db:	CNNVD	id:	CNNVD-202107-1224	Trust: 0.6
db:	VULMON	id:	CVE-2021-21818	Trust: 0.1

sources: CNVD: CNVD-2021-53335 // VULMON: CVE-2021-21818 // JVNDB: JVNDB-2021-009660 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1224 // NVD: CVE-2021-21818

REFERENCES

url:	https://talosintelligence.com/vulnerability_reports/talos-2021-1283	Trust: 3.1
url:	https://nvd.nist.gov/vuln/detail/cve-2021-21818	Trust: 0.8
url:	https://www.cybersecurity-help.cz/vdb/sb2021041363	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2021071610	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/798.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-53335 // VULMON: CVE-2021-21818 // JVNDB: JVNDB-2021-009660 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202107-1224 // NVD: CVE-2021-21818

SOURCES

db:	CNVD	id:	CNVD-2021-53335
db:	VULMON	id:	CVE-2021-21818
db:	JVNDB	id:	JVNDB-2021-009660
db:	CNNVD	id:	CNNVD-202104-975
db:	CNNVD	id:	CNNVD-202107-1224
db:	NVD	id:	CVE-2021-21818

LAST UPDATE DATE

2024-08-14T12:51:45.491000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-53335	date:	2021-07-22T00:00:00
db:	VULMON	id:	CVE-2021-21818	date:	2021-07-22T00:00:00
db:	JVNDB	id:	JVNDB-2021-009660	date:	2022-05-17T02:23:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-14T00:00:00
db:	CNNVD	id:	CNNVD-202107-1224	date:	2021-07-26T00:00:00
db:	NVD	id:	CVE-2021-21818	date:	2022-07-29T14:49:00.107

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-53335	date:	2021-07-22T00:00:00
db:	VULMON	id:	CVE-2021-21818	date:	2021-07-16T00:00:00
db:	JVNDB	id:	JVNDB-2021-009660	date:	2022-05-17T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-13T00:00:00
db:	CNNVD	id:	CNNVD-202107-1224	date:	2021-07-16T00:00:00
db:	NVD	id:	CVE-2021-21818	date:	2021-07-16T11:15:09.970