Details of VAR-202101-0817

ID

VAR-202101-0817

CVE

CVE-2021-1211

TITLE

plural Cisco Small Business RV Out-of-bounds write vulnerability in routers

Trust: 0.8

sources: JVNDB: JVNDB-2021-002641

DESCRIPTION

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. The vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities. plural Cisco Small Business RV The router is vulnerable to out-of-bounds writes.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Cisco RV110W is a Wireless-N VPN firewall, Cisco RV130 is a multifunctional VPN router, Cisco RV130W is a Wireless-N multifunctional VPN router, and Cisco RV215W is a Wireless-N VPN router. Or cause the device to reload. Cisco RV110W, etc. The following products and versions are affected: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers

Trust: 2.34

sources: NVD: CVE-2021-1211 // JVNDB: JVNDB-2021-002641 // CNVD: CNVD-2021-41176 // VULHUB: VHN-374265 // VULMON: CVE-2021-1211

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-41176

AFFECTED PRODUCTS

vendor:	cisco	model:	rv110w	scope:	eq	version:	1.3.1.7	Trust: 1.0
vendor:	cisco	model:	rv130 vpn router	scope:	eq	version:	1.2.2.8	Trust: 1.0
vendor:	cisco	model:	rv130 vpn router	scope:	eq	version:	1.3.1.7	Trust: 1.0
vendor:	cisco	model:	rv130w	scope:	eq	version:	1.2.2.8	Trust: 1.0
vendor:	cisco	model:	rv130w	scope:	eq	version:	1.3.1.7	Trust: 1.0
vendor:	cisco	model:	rv215w wireless-n vpn router	scope:	eq	version:	1.2.2.8	Trust: 1.0
vendor:	cisco	model:	rv215w wireless-n vpn router	scope:	eq	version:	1.3.1.7	Trust: 1.0
vendor:	cisco	model:	application extension platform	scope:	eq	version:	1.0.3.55	Trust: 1.0
vendor:	cisco	model:	rv110w	scope:	eq	version:	1.2.2.8	Trust: 1.0
vendor:	シスコシステムズ	model:	cisco rv130w wireless-n multifunction vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv130 vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco rv110w wireless-n vpn firewall	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv215w wireless-n vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	application extension platform	scope:	-	version:	-	Trust: 0.8
vendor:	cisco	model:	rv110w	scope:	-	version:	-	Trust: 0.6
vendor:	cisco	model:	rv130w no	scope:	-	version:	-	Trust: 0.6
vendor:	cisco	model:	rv215w no	scope:	-	version:	-	Trust: 0.6
vendor:	cisco	model:	rv130	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-41176 // JVNDB: JVNDB-2021-002641 // NVD: CVE-2021-1211

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-1211
value:	HIGH
Trust: 1.0
ykramarz@cisco.com:	CVE-2021-1211
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-1211
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-41176
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202101-971
value:	HIGH
Trust: 0.6
VULHUB:	VHN-374265
value:	HIGH
Trust: 0.1
VULMON:	CVE-2021-1211
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-1211
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-41176
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-374265
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-1211
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 2.0
NVD:	CVE-2021-1211
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-41176 // VULHUB: VHN-374265 // VULMON: CVE-2021-1211 // JVNDB: JVNDB-2021-002641 // CNNVD: CNNVD-202101-971 // NVD: CVE-2021-1211 // NVD: CVE-2021-1211

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.1
problemtype:	CWE-121	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD Evaluation ]	Trust: 0.8

sources: VULHUB: VHN-374265 // JVNDB: JVNDB-2021-002641 // NVD: CVE-2021-1211

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202101-971

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202101-971

PATCH

title:	cisco-sa-rv-overflow-WUnUgv4U	url:	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-WUnUgv4U	Trust: 0.8
title:	Patch for Cisco RV110W/RV130/RV130W/RV215W remote command execution and denial of service vulnerability (CNVD-2021-41176)	url:	https://www.cnvd.org.cn/patchInfo/show/272321	Trust: 0.6
title:	Cisco Repair measures for multiple product input verification errors	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=139075	Trust: 0.6
title:	Cisco: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities	url:	https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-rv-overflow-WUnUgv4U	Trust: 0.1

sources: CNVD: CNVD-2021-41176 // VULMON: CVE-2021-1211 // JVNDB: JVNDB-2021-002641 // CNNVD: CNNVD-202101-971

EXTERNAL IDS

db:	NVD	id:	CVE-2021-1211	Trust: 3.2
db:	JVNDB	id:	JVNDB-2021-002641	Trust: 0.8
db:	CNVD	id:	CNVD-2021-41176	Trust: 0.7
db:	AUSCERT	id:	ESB-2021.0232	Trust: 0.6
db:	AUSCERT	id:	ESB-2021.0142	Trust: 0.6
db:	CNNVD	id:	CNNVD-202101-971	Trust: 0.6
db:	VULHUB	id:	VHN-374265	Trust: 0.1
db:	VULMON	id:	CVE-2021-1211	Trust: 0.1

sources: CNVD: CNVD-2021-41176 // VULHUB: VHN-374265 // VULMON: CVE-2021-1211 // JVNDB: JVNDB-2021-002641 // CNNVD: CNNVD-202101-971 // NVD: CVE-2021-1211

REFERENCES

url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-rv-overflow-wunugv4u	Trust: 3.1
url:	https://nvd.nist.gov/vuln/detail/cve-2021-1211	Trust: 1.4
url:	https://www.auscert.org.au/bulletins/esb-2021.0142/	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2021.0232/	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-41176 // VULHUB: VHN-374265 // VULMON: CVE-2021-1211 // JVNDB: JVNDB-2021-002641 // CNNVD: CNNVD-202101-971 // NVD: CVE-2021-1211

SOURCES

db:	CNVD	id:	CNVD-2021-41176
db:	VULHUB	id:	VHN-374265
db:	VULMON	id:	CVE-2021-1211
db:	JVNDB	id:	JVNDB-2021-002641
db:	CNNVD	id:	CNNVD-202101-971
db:	NVD	id:	CVE-2021-1211

LAST UPDATE DATE

2024-08-14T13:23:54.213000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-41176	date:	2021-06-13T00:00:00
db:	VULHUB	id:	VHN-374265	date:	2021-01-15T00:00:00
db:	VULMON	id:	CVE-2021-1211	date:	2021-01-15T00:00:00
db:	JVNDB	id:	JVNDB-2021-002641	date:	2021-09-28T08:03:00
db:	CNNVD	id:	CNNVD-202101-971	date:	2021-01-21T00:00:00
db:	NVD	id:	CVE-2021-1211	date:	2023-11-07T03:27:42.900

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-41176	date:	2021-06-13T00:00:00
db:	VULHUB	id:	VHN-374265	date:	2021-01-13T00:00:00
db:	VULMON	id:	CVE-2021-1211	date:	2021-01-13T00:00:00
db:	JVNDB	id:	JVNDB-2021-002641	date:	2021-09-28T00:00:00
db:	CNNVD	id:	CNNVD-202101-971	date:	2021-01-13T00:00:00
db:	NVD	id:	CVE-2021-1211	date:	2021-01-13T22:15:19.787