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A successful exploit could cause a device to reload, resulting in a DoS condition."},{"lang":"es","value":"Una vulnerabilidad en la función multicast DNS (mDNS) de Cisco IOS XE Software para Cisco Catalyst 9800 Series Wireless Controllers, podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS). La vulnerabilidad es debido a una comprobación incorrecta de los paquetes mDNS. Un atacante podría explotar esta vulnerabilidad mediante el envío de un paquete mDNS diseñado hacia un dispositivo afectado. Una explotación con éxito podría hacer que un dispositivo se recargue, resultando en una condición DoS."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0}],"cvssMetricV30":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:C","baseScore":7.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"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-20"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*","matchCriteriaId":"C98DED36-D4B5-48D6-964E-EEEE97936700"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2610xm:-:*:*:*:*:*:*:*","matchCriteriaId":"9E9B9F16-2D70-4109-999F-6A10D82DD68D"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2611xm:-:*:*:*:*:*:*:*","matchCriteriaId":"F77581A8-F334-445E-978C-D57F5135830B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2612:-:*:*:*:*:*:*:*","matchCriteriaId":"E22D6ADA-DC1D-4916-9039-D0970727DE46"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2620xm:-:*:*:*:*:*:*:*","matchCriteriaId":"0CF86B51-A53D-4B3A-89B6-BFF3D40397B6"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2621xm:-:*:*:*:*:*:*:*","matchCriteriaId":"83F5E77F-E325-472B-AD80-98B2C2DBF0AB"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2650xm:-:*:*:*:*:*:*:*","matchCriteriaId":"E997D0D5-5436-4E39-8032-F6EA5DA45340"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2651xm:-:*:*:*:*:*:*:*","matchCriteriaId":"EF18B92D-D063-4D98-8D59-5AF02443DC4E"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:2691:-:*:*:*:*:*:*:*","matchCriteriaId":"5F4063DC-7653-4777-B012-C49CCDD0E0B5"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*","matchCriteriaId":"1B9ED0E5-CB20-4106-9CF2-8EB587B33543"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*","matchCriteriaId":"2B0E620C-8E09-4F7C-A326-26013173B993"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*","matchCriteriaId":"FF93F1C8-669F-4ECB-8D81-ECDA7B550175"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*","matchCriteriaId":"2E0BA345-B7D7-4975-9199-4DC7875BBFD0"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:*","matchCriteriaId":"4E9EA95F-4E39-4D9C-8A84-D1F6014A4A40"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*","matchCriteriaId":"EA0BC769-C244-41BD-BE80-E67F4E1CDDA4"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mdns-dos-3tH6cA9J","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mdns-dos-3tH6cA9J","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}