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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": "2025-04-30T14:15:10.367", "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": "psirt@cisco.com", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-02-29T01:43:59.000", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-po-acl-TkyePgvL"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-po-acl-TkyePgvL"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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