{ "id": "CVE-2019-1750", "sourceIdentifier": "psirt@cisco.com", "published": "2019-03-28T00:29:00.747", "lastModified": "2024-11-21T04:37:16.857", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition." }, { "lang": "es", "value": "Una vulnerabilidad en el VSS (Easy Virtual Switching System) del software Cisco IOS XE en los switches Catalyst 4500 Series podr\u00eda permitir que un atacante adyacente no autenticado provoque la recarga de los switches. La vulnerabilidad se debe a la gesti\u00f3n incompleta de errores al procesar paquetes CDP (Cisco Discovery Protocol) empleados en el VSS. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete CDP especialmente manipulado. Su explotaci\u00f3n podr\u00eda permitir que el atacante consiga que el dispositivo se reinicie, provocando una denegaci\u00f3n de servicio (DoS)." } ], "metrics": { "cvssMetricV30": [ { "source": "psirt@cisco.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 4.0 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 4.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 6.1, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.5, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "psirt@cisco.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-20" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-388" } ] } ], "configurations": [ { "nodes": [ { "operator": 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"matchCriteriaId": "0E275E7D-C89D-42DE-9301-C19A54FEE964" } ] } ] } ], "references": [ { "url": "http://www.securityfocus.com/bid/107607", "source": "psirt@cisco.com", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss", "source": "psirt@cisco.com", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "http://www.securityfocus.com/bid/107607", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ] } ] }