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ID

VAR-201209-0199


CVE

CVE-2012-4621


TITLE

Cisco IOS Service disruption in device sensor functions ( Device reload ) Vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2012-004643

DESCRIPTION

The Device Sensor feature in Cisco IOS 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via a DHCP packet, aka Bug ID CSCty96049. Cisco IOS is a popular Internet operating system. Allows an attacker to reload a device while passing a DHCP message. This Cisco bug ID is CSCty96049. Note: To successfully exploit this issue NAT SIP ALG feature should be enabled in the device

Trust: 2.52

sources: NVD: CVE-2012-4621 // JVNDB: JVNDB-2012-004643 // CNVD: CNVD-2012-5484 // BID: 55699 // VULHUB: VHN-57902

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2012-5484

AFFECTED PRODUCTS

vendor:ciscomodel:iosscope:eqversion:15.0

Trust: 1.6

vendor:ciscomodel:iosscope:eqversion:15.1

Trust: 1.6

vendor:ciscomodel:iosscope:eqversion:15.2

Trust: 1.6

vendor:ciscomodel:iosscope:eqversion:15.0\(1\)se

Trust: 1.6

vendor:ciscomodel:iosscope:eqversion:15.0 to 15.2

Trust: 0.8

vendor:ciscomodel:iosscope:eqversion:15.0-15.2

Trust: 0.6

vendor:ciscomodel:ios 15.2sscope: - version: -

Trust: 0.3

vendor:ciscomodel:ios 15.0sescope: - version: -

Trust: 0.3

sources: CNVD: CNVD-2012-5484 // BID: 55699 // JVNDB: JVNDB-2012-004643 // CNNVD: CNNVD-201209-614 // NVD: CVE-2012-4621

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2012-4621
value: HIGH

Trust: 1.0

NVD: CVE-2012-4621
value: HIGH

Trust: 0.8

CNNVD: CNNVD-201209-614
value: HIGH

Trust: 0.6

VULHUB: VHN-57902
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2012-4621
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: 1.8

VULHUB: VHN-57902
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: 0.1

sources: VULHUB: VHN-57902 // JVNDB: JVNDB-2012-004643 // CNNVD: CNNVD-201209-614 // NVD: CVE-2012-4621

PROBLEMTYPE DATA

problemtype:CWE-399

Trust: 1.9

sources: VULHUB: VHN-57902 // JVNDB: JVNDB-2012-004643 // NVD: CVE-2012-4621

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201209-614

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-201209-614

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2012-004643

PATCH
title:cisco-sa-20120926-dhcpurl:http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcp
Trust: 0.8
title:cisco-sa-20120926-dhcpurl:http://www.cisco.com/cisco/web/support/JP/111/1116/1116603_cisco-sa-20120926-dhcp-j.html
Trust: 0.8
title:Patch for Cisco IOS DHCP Server Denial of Service Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/23316
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2012-5484 // 
            
            
            
            JVNDB: JVNDB-2012-004643

EXTERNAL IDS
db:NVDid:CVE-2012-4621
Trust: 3.4
db:SECTRACKid:1027572
Trust: 1.1
db:JVNDBid:JVNDB-2012-004643
Trust: 0.8
db:CNNVDid:CNNVD-201209-614
Trust: 0.7
db:CNVDid:CNVD-2012-5484
Trust: 0.6
db:NSFOCUSid:20883
Trust: 0.6
db:CISCOid:20120926 CISCO IOS SOFTWARE DHCP DENIAL OF SERVICE VULNERABILITY
Trust: 0.6
db:BIDid:55699
Trust: 0.4
db:VULHUBid:VHN-57902
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2012-5484 // 
            
            
            
            VULHUB: VHN-57902 // 
            
            
            
            BID: 55699 // 
            
            
            
            JVNDB: JVNDB-2012-004643 // 
            
            
            
            CNNVD: CNNVD-201209-614 // 
            
            
            
            NVD: CVE-2012-4621

REFERENCES
url:http://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-20120926-dhcp
Trust: 2.3
url:http://www.securitytracker.com/id?1027572
Trust: 1.1
url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2012-4621
Trust: 0.8
url:http://web.nvd.nist.gov/view/vuln/detail?vulnid=cve-2012-4621
Trust: 0.8
url:http://www.nsfocus.net/vulndb/20883
Trust: 0.6
url:http://www.cisco.com/
Trust: 0.3
sources:
            
            
            CNVD: CNVD-2012-5484 // 
            
            
            
            VULHUB: VHN-57902 // 
            
            
            
            BID: 55699 // 
            
            
            
            JVNDB: JVNDB-2012-004643 // 
            
            
            
            CNNVD: CNNVD-201209-614 // 
            
            
            
            NVD: CVE-2012-4621

CREDITS
The vendor reported this issue.
Trust: 0.3
sources:
            
            
            BID: 55699

SOURCES
db:CNVDid:CNVD-2012-5484
db:VULHUBid:VHN-57902
db:BIDid:55699
db:JVNDBid:JVNDB-2012-004643
db:CNNVDid:CNNVD-201209-614
db:NVDid:CVE-2012-4621

LAST UPDATE DATE
2025-04-11T23:19:34.061000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2012-5484date:2012-09-28T00:00:00
db:VULHUBid:VHN-57902date:2013-02-14T00:00:00
db:BIDid:55699date:2012-09-26T00:00:00
db:JVNDBid:JVNDB-2012-004643date:2012-09-28T00:00:00
db:CNNVDid:CNNVD-201209-614date:2012-09-27T00:00:00
db:NVDid:CVE-2012-4621date:2025-04-11T00:51:21.963

SOURCES RELEASE DATE
db:CNVDid:CNVD-2012-5484date:2012-09-28T00:00:00
db:VULHUBid:VHN-57902date:2012-09-27T00:00:00
db:BIDid:55699date:2012-09-26T00:00:00
db:JVNDBid:JVNDB-2012-004643date:2012-09-28T00:00:00
db:CNNVDid:CNNVD-201209-614date:2012-09-27T00:00:00
db:NVDid:CVE-2012-4621date:2012-09-27T00:55:01.093