CVE-2024-20343

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the underlying Linux operating system. The attacker must have valid credentials on the affected device.\r\n\r\nThis vulnerability is due to incorrect validation of the arguments that are passed to a specific CLI command. An attacker could exploit this vulnerability by logging in to an affected device with low-privileged credentials and using the affected command. A successful exploit could allow the attacker access files in read-only mode on the Linux file system."}, {"lang": "es", "value": "Una vulnerabilidad en la CLI del software Cisco IOS XR podr\u00eda permitir que un atacante local autenticado lea cualquier archivo en el sistema de archivos del sistema operativo Linux subyacente. El atacante debe tener credenciales v\u00e1lidas en el dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de los argumentos que se pasan a un comando CLI espec\u00edfico. Un atacante podr\u00eda aprovechar esta vulnerabilidad iniciando sesi\u00f3n en un dispositivo afectado con credenciales con pocos privilegios y utilizando el comando afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir que el atacante acceda a archivos en modo de solo lectura en el sistema de archivos Linux."}], "id": "CVE-2024-20343", "lastModified": "2026-06-17T07:06:45.980", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-20343", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-11T20:41:16.378675Z", "version": "2.0.3"}}]}, "published": "2024-09-11T17:15:12.223", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-shellutil-HCb278wD"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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