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A successful exploit could allow the attacker to cause the MPLS OAM process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."},{"lang":"es","value":"Una vulnerabilidad en la funcionalidad Operation, Administration, and Maintenance (OAM) de MPLS del Software Cisco NX-OS, podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido a una comprobación inapropiada de la entrada cuando un dispositivo afectado está procesando un paquete de eco-petición o eco-respuesta MPLS. Un atacante podría explotar esta vulnerabilidad mediante el envío de paquetes maliciosos de eco-solicitud o eco-respuesta MPLS a una interfaz que esté habilitada para el reenvío MPLS en el dispositivo afectado. Una explotación con éxito podría permitir al atacante causar que el proceso de MPLS OAM se bloquee y se reinicie varias veces, causando que el dispositivo afectado se recargue y resultando en una condición de DoS."}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","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},{"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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-126"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"},{"lang":"en","value":"CWE-125"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:nx-os:7.0\\(3\\)i7\\(9\\):*:*:*:*:*:*:*","matchCriteriaId":"4C1BC928-7DB9-499A-8CF4-90C98218E9D8"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:nx-os:8.4\\(1\\):*:*:*:*:*:*:*","matchCriteriaId":"2636B1F1-8C40-44A4-B96B-C84EC244685E"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:nx-os:9.3\\(7\\):*:*:*:*:*:*:*","matchCriteriaId":"C8A71DEB-93CD-4827-9F9E-3A0DFFAD145A"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:*","matchCriteriaId":"10FFC5E8-CC5A-4D31-A63A-19E72EC442AB"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3048:-:*:*:*:*:*:*:*","matchCriteriaId":"FC2A6C31-438A-4CF5-A3F3-364B1672EB7D"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_31108pc-v:-:*:*:*:*:*:*:*","matchCriteriaId":"4E930332-CDDD-48D5-93BC-C22D693BBFA2"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_31108tc-v:-:*:*:*:*:*:*:*","matchCriteriaId":"7BF4B8FE-E134-4491-B5C2-C1CFEB64731B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_31128pq:-:*:*:*:*:*:*:*","matchCriteriaId":"F4226DA0-9371-401C-8247-E6E636A116C3"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3132c-z:-:*:*:*:*:*:*:*","matchCriteriaId":"7664666F-BCE4-4799-AEEA-3A73E6AD33F4"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3132q-v:-:*:*:*:*:*:*:*","matchCriteriaId":"B3293438-3D18-45A2-B093-2C3F65783336"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3132q-x\\/3132q-xl:-:*:*:*:*:*:*:*","matchCriteriaId":"E142C18F-9FB5-4D96-866A-141D7D16CAF7"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3164q:-:*:*:*:*:*:*:*","matchCriteriaId":"FA782EB3-E8E6-4DCF-B39C-B3CBD46E4384"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3172pq\\/pq-xl:-:*:*:*:*:*:*:*","matchCriteriaId":"8EFC116A-627F-4E05-B631-651D161217C8"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3172tq-xl:-:*:*:*:*:*:*:*","matchCriteriaId":"F3229124-B097-4AAC-8ACD-2F9C89DCC3AB"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3232c:-:*:*:*:*:*:*:*","matchCriteriaId":"652A2849-668D-4156-88FB-C19844A59F33"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3264c-e:-:*:*:*:*:*:*:*","matchCriteriaId":"24FBE87B-8A4F-43A8-98A3-4A7D9C630937"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3264q:-:*:*:*:*:*:*:*","matchCriteriaId":"6ACD09AC-8B28-4ACB-967B-AB3D450BC137"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3408-s:-:*:*:*:*:*:*:*","matchCriteriaId":"7D397349-CCC6-479B-9273-FB1FFF4F34F2"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_34180yc:-:*:*:*:*:*:*:*","matchCriteriaId":"DC7286A7-780F-4A45-940A-4AD5C9D0F201"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3432d-s:-:*:*:*:*:*:*:*","matchCriteriaId":"5F7AF8D7-431B-43CE-840F-CC0817D159C0"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3464c:-:*:*:*:*:*:*:*","matchCriteriaId":"DAC204C8-1A5A-4E85-824E-DC9B8F6A802D"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3524-x\\/xl:-:*:*:*:*:*:*:*","matchCriteriaId":"E505C0B1-2119-4C6A-BF96-C282C633D169"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3548-x\\/xl:-:*:*:*:*:*:*:*","matchCriteriaId":"915EF8F6-6039-4DD0-B875-30D911752B74"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:nexus_3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