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A successful exploit could allow the attacker to cause a login process to reload, which could result in a delay during authentication to the affected device."},{"lang":"es","value":"Una vulnerabilidad en la implementación del comando system login block-for para el Software Cisco NX-OS, podría permitir a un atacante remoto no autenticado causar que un proceso de inicio de sesión se reinicie inesperadamente, causando una condición de denegación de servicio (DoS). Esta vulnerabilidad es debido a un error lógico en la implementación del comando system login block-for cuando es detectado un ataque y se actúa en consecuencia. Un atacante podría aprovechar esta vulnerabilidad al llevar a cabo un ataque de inicio de sesión por fuerza bruta en un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar una recarga del proceso de inicio de sesión, que podría resultar en un retraso durante la autenticación en el dispositivo afectado."}],"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:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"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-787"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:nx-os:7.0\\(3\\)i4\\(0.116\\):*:*:*:*:*:*:*","matchCriteriaId":"BC4593C9-29B1-4456-AF09-5ACBEABEF68D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:nx-os:7.3\\(7\\)n1\\(1b\\):*:*:*:*:*:*:*","matchCriteriaId":"B2B7951C-8376-49C3-BF50-E6B65909A739"}]},{"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_36180yc-r:-:*:*:*:*:*:*:*","matchCriteriaId":"95D2C4C3-65CE-4612-A027-AF70CEFC3233"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:ne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