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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "270AC95F-0C63-4160-A5C3-F41B4A970156", "versionEndIncluding": "3.18.4", "versionStartIncluding": "3.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "36E9454B-01DD-425D-B001-7A4913326CA6", "versionEndIncluding": "16.6.3", "versionStartIncluding": "16.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*", "matchCriteriaId": "0CDDE475-0066-4A44-9DB2-A2B07A64F3C2", "versionEndIncluding": "16.7.2", "versionStartExcluding": "16.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:15.6\\(2\\)sp:*:*:*:*:*:*:*", "matchCriteriaId": "65B22948-0DA9-4E13-8C00-2FD738247DD3", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:16.4:*:*:*:*:*:*:*", "matchCriteriaId": "4CD8EAF9-6AB1-48B3-A690-6A5BD715FBD9", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:16.5:*:*:*:*:*:*:*", "matchCriteriaId": "6B25F62B-E32C-47F7-AFF0-586D5FFA5C96", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687."}, {"lang": "es", "value": "Una vulnerabilidad en Cisco IOS XE Software de Cisco cBR Series Converged Broadband Routers podr\u00eda permitir que un atacante adyacente sin autenticar provoque un uso alto de CPU en un dispositivo afectado, lo que resulta en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad se debe a la gesti\u00f3n incorrecta de ciertos paquetes DHCP. Un atacante podr\u00eda explotar esta vulnerabilidad enviando ciertos paquetes DHCP a un segmento en concreto de un dispositivo afectado. Su explotaci\u00f3n exitosa podr\u00eda permitir que el atacante aumente el uso de CPU en el dispositivo afectado y provoque una denegaci\u00f3n de servicio (DoS). Cisco Bug IDs: CSCvg73687."}], "id": "CVE-2018-0257", "lastModified": "2019-10-09T23:31:35.410", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-04-19T20:29:01.317", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103948"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040716"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-cbr8"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-399"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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