CVE-2025-20158

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To exploit this vulnerability, the attacker must have valid administrative credentials with SSH access on the affected device. SSH access is disabled by default.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input by the debug shell of an affected device. An attacker could exploit this vulnerability by sending a crafted SSH client command to the CLI. A successful exploit could allow the attacker to access sensitive information on the underlying operating system."}, {"lang": "es", "value": "Una vulnerabilidad en el shell de depuraci\u00f3n de Cisco Video Phone 8875 y Cisco Desk Phone 9800 Series podr\u00eda permitir que un atacante local autenticado acceda a informaci\u00f3n confidencial en un dispositivo afectado. Para explotar esta vulnerabilidad, el atacante debe tener credenciales administrativas v\u00e1lidas con acceso SSH en el dispositivo afectado. El acceso SSH est\u00e1 deshabilitado de forma predeterminada. Esta vulnerabilidad se debe a una validaci\u00f3n insuficiente de la entrada proporcionada por el usuario por parte del shell de depuraci\u00f3n de un dispositivo afectado. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un comando de cliente SSH manipulado a la CLI. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante acceder a informaci\u00f3n confidencial en el sistema operativo subyacente."}], "id": "CVE-2025-20158", "lastModified": "2026-06-17T08:40:49.003", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-20158", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-19T16:20:34.156069Z", "version": "2.0.3"}}]}, "published": "2025-02-19T16:15:41.017", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-info-disc-YyxsWStK"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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