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:ciscomodel:rv110wscope:eqversion:1.3.1.7

Trust: 1.0

vendor:ciscomodel:rv130 vpn routerscope:eqversion:1.2.2.8

Trust: 1.0

vendor:ciscomodel:rv130 vpn routerscope:eqversion:1.3.1.7

Trust: 1.0

vendor:ciscomodel:rv130wscope:eqversion:1.2.2.8

Trust: 1.0

vendor:ciscomodel:rv130wscope:eqversion:1.3.1.7

Trust: 1.0

vendor:ciscomodel:rv215w wireless-n vpn routerscope:eqversion:1.2.2.8

Trust: 1.0

vendor:ciscomodel:rv215w wireless-n vpn routerscope:eqversion:1.3.1.7

Trust: 1.0

vendor:ciscomodel:application extension platformscope:eqversion:1.0.3.55

Trust: 1.0

vendor:ciscomodel:rv110wscope:eqversion:1.2.2.8

Trust: 1.0

vendor:シスコシステムズmodel:cisco rv130w wireless-n multifunction vpn routerscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:rv130 vpn routerscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:cisco rv110w wireless-n vpn firewallscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:rv215w wireless-n vpn routerscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:application extension platformscope: - version: -

Trust: 0.8

vendor:ciscomodel:rv110wscope: - version: -

Trust: 0.6

vendor:ciscomodel:rv130w noscope: - version: -

Trust: 0.6

vendor:ciscomodel:rv215w noscope: - version: -

Trust: 0.6

vendor:ciscomodel:rv130scope: - 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-WUnUgv4Uurl: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 errorsurl: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 Vulnerabilitiesurl: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:NVDid:CVE-2021-1211

Trust: 3.2

db:JVNDBid:JVNDB-2021-002641

Trust: 0.8

db:CNVDid:CNVD-2021-41176

Trust: 0.7

db:AUSCERTid:ESB-2021.0232

Trust: 0.6

db:AUSCERTid:ESB-2021.0142

Trust: 0.6

db:CNNVDid:CNNVD-202101-971

Trust: 0.6

db:VULHUBid:VHN-374265

Trust: 0.1

db:VULMONid: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:CNVDid:CNVD-2021-41176
db:VULHUBid:VHN-374265
db:VULMONid:CVE-2021-1211
db:JVNDBid:JVNDB-2021-002641
db:CNNVDid:CNNVD-202101-971
db:NVDid:CVE-2021-1211

LAST UPDATE DATE

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


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-41176date:2021-06-13T00:00:00
db:VULHUBid:VHN-374265date:2021-01-15T00:00:00
db:VULMONid:CVE-2021-1211date:2021-01-15T00:00:00
db:JVNDBid:JVNDB-2021-002641date:2021-09-28T08:03:00
db:CNNVDid:CNNVD-202101-971date:2021-01-21T00:00:00
db:NVDid:CVE-2021-1211date:2023-11-07T03:27:42.900

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-41176date:2021-06-13T00:00:00
db:VULHUBid:VHN-374265date:2021-01-13T00:00:00
db:VULMONid:CVE-2021-1211date:2021-01-13T00:00:00
db:JVNDBid:JVNDB-2021-002641date:2021-09-28T00:00:00
db:CNNVDid:CNNVD-202101-971date:2021-01-13T00:00:00
db:NVDid:CVE-2021-1211date:2021-01-13T22:15:19.787