Details of VAR-202110-0397

ID

VAR-202110-0397

CVE

CVE-2021-21745

TITLE

ZTE MF971R Cross-site request forgery vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-013974

DESCRIPTION

ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a request to the user to click. ZTE MF971R Contains a cross-site request forgery vulnerability.Information may be tampered with. ZTE MF971R is a Cat 6 LTE mobile Wi-Fi router with download speeds up to 300mbps and upload speeds up to 50mbps

Trust: 2.25

sources: NVD: CVE-2021-21745 // JVNDB: JVNDB-2021-013974 // CNVD: CNVD-2021-92821 // VULMON: CVE-2021-21745

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-92821

AFFECTED PRODUCTS

vendor:	zte	model:	mf971r	scope:	eq	version:	sv1.0.0b05	Trust: 1.0
vendor:	zte	model:	mf971r	scope:	eq	version:	1v1.0.0b06	Trust: 1.0
vendor:	zte	model:	mf971r	scope:	eq	version:	2v1.0.0b03	Trust: 1.0
vendor:	zte	model:	mf971r	scope:	eq	version:	v1.0.0b05	Trust: 1.0
vendor:	zte	model:	mf971r	scope:	eq	version:	s2v1.0.0b03	Trust: 1.0
vendor:	zte	model:	mf971r	scope:	eq	version:	-	Trust: 0.8
vendor:	zte	model:	mf971r	scope:	-	version:	-	Trust: 0.8
vendor:	zte	model:	mf971r	scope:	eq	version:	mf971r firmware	Trust: 0.8
vendor:	zte	model:	mf971r bd zte mf971rv1.0.0b05	scope:	-	version:	-	Trust: 0.6
vendor:	zte	model:	mf971r bd plkplmf971r1v1.0.0b06	scope:	-	version:	-	Trust: 0.6
vendor:	zte	model:	mf971r bd mf971r2v1.0.0b03	scope:	-	version:	-	Trust: 0.6
vendor:	zte	model:	mf971r bd zte mf971rs2v1.0.0b03	scope:	-	version:	-	Trust: 0.6
vendor:	zte	model:	mf971r bd zte mf971rsv1.0.0b05	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-92821 // JVNDB: JVNDB-2021-013974 // NVD: CVE-2021-21745

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-21745
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-21745
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2021-92821
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202110-1249
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2021-21745
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-21745
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-92821
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-21745
baseSeverity:	MEDIUM
baseScore:	4.3
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	2.8
impactScore:	1.4
version:	3.1
Trust: 1.0
NVD:	CVE-2021-21745
baseSeverity:	MEDIUM
baseScore:	4.3
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-92821 // VULMON: CVE-2021-21745 // JVNDB: JVNDB-2021-013974 // CNNVD: CNNVD-202110-1249 // NVD: CVE-2021-21745

PROBLEMTYPE DATA

problemtype:	CWE-352	Trust: 1.0
problemtype:	Cross-site request forgery (CWE-352) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-013974 // NVD: CVE-2021-21745

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-1249

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202110-1249

PATCH

title:	Multiple Vulnerabilities in a ZTE Mobile Internet Product	url:	https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764	Trust: 0.8
title:	Patch for ZTE MF971R Referer authentication bypass vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/301776	Trust: 0.6
title:	ZTE MF971R LTE router Remediation measures for authorization problem vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=167216	Trust: 0.6

sources: CNVD: CNVD-2021-92821 // JVNDB: JVNDB-2021-013974 // CNNVD: CNNVD-202110-1249

EXTERNAL IDS

db:	NVD	id:	CVE-2021-21745	Trust: 3.9
db:	ZTE	id:	1019764	Trust: 1.7
db:	JVNDB	id:	JVNDB-2021-013974	Trust: 0.8
db:	CNVD	id:	CNVD-2021-92821	Trust: 0.6
db:	CS-HELP	id:	SB2021101910	Trust: 0.6
db:	TALOS	id:	TALOS-2021-1317	Trust: 0.6
db:	CNNVD	id:	CNNVD-202110-1249	Trust: 0.6
db:	VULMON	id:	CVE-2021-21745	Trust: 0.1

sources: CNVD: CNVD-2021-92821 // VULMON: CVE-2021-21745 // JVNDB: JVNDB-2021-013974 // CNNVD: CNNVD-202110-1249 // NVD: CVE-2021-21745

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2021-21745	Trust: 2.0
url:	https://support.zte.com.cn/support/news/loopholeinfodetail.aspx?newsid=1019764	Trust: 1.7
url:	https://www.cybersecurity-help.cz/vdb/sb2021101910	Trust: 0.6
url:	https://talosintelligence.com/vulnerability_reports/talos-2021-1317	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/287.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-92821 // VULMON: CVE-2021-21745 // JVNDB: JVNDB-2021-013974 // CNNVD: CNNVD-202110-1249 // NVD: CVE-2021-21745

CREDITS

Discovered by Marcin ’Icewall’ Noga of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202110-1249

SOURCES

db:	CNVD	id:	CNVD-2021-92821
db:	VULMON	id:	CVE-2021-21745
db:	JVNDB	id:	JVNDB-2021-013974
db:	CNNVD	id:	CNNVD-202110-1249
db:	NVD	id:	CVE-2021-21745

LAST UPDATE DATE

2024-08-14T13:43:19.059000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-92821	date:	2021-12-01T00:00:00
db:	VULMON	id:	CVE-2021-21745	date:	2021-10-25T00:00:00
db:	JVNDB	id:	JVNDB-2021-013974	date:	2022-09-30T05:49:00
db:	CNNVD	id:	CNNVD-202110-1249	date:	2021-10-27T00:00:00
db:	NVD	id:	CVE-2021-21745	date:	2022-06-28T14:11:45.273

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-92821	date:	2021-12-01T00:00:00
db:	VULMON	id:	CVE-2021-21745	date:	2021-10-20T00:00:00
db:	JVNDB	id:	JVNDB-2021-013974	date:	2022-09-30T00:00:00
db:	CNNVD	id:	CNNVD-202110-1249	date:	2021-10-18T00:00:00
db:	NVD	id:	CVE-2021-21745	date:	2021-10-20T16:15:08.203