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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, remote attacker to send traffic that should be blocked through an affected device.\r\n\r This vulnerability is due to incorrect hardware programming that occurs when configuration changes are made to port channel member ports. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access network resources that should be protected by an ACL that was applied on port channel subinterfaces."}, {"lang": "es", "value": "Una vulnerabilidad en la programaci\u00f3n de la lista de control de acceso (ACL) para las subinterfaces del canal de puerto de los conmutadores Cisco Nexus de las series 3000 y 9000 en modo NX-OS independiente podr\u00eda permitir que un atacante remoto no autenticado env\u00ede tr\u00e1fico que deber\u00eda bloquearse a trav\u00e9s de un dispositivo afectado. Esta vulnerabilidad se debe a una programaci\u00f3n de hardware incorrecta que ocurre cuando se realizan cambios de configuraci\u00f3n en los puertos miembros del canal de puertos. Un atacante podr\u00eda aprovechar esta vulnerabilidad intentando enviar tr\u00e1fico a trav\u00e9s de un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante acceder a recursos de red que deber\u00edan estar protegidos por una ACL que se aplic\u00f3 en las subinterfaces del canal de puerto."}], "id": "CVE-2024-20291", "lastModified": "2024-02-29T13:49:29.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "ykramarz@cisco.com", "type": "Secondary"}]}, "published": "2024-02-29T01:43:59.000", "references": [{"source": "ykramarz@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-po-acl-TkyePgvL"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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