CVE-2025-20152

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Cisco Identity Services Engine Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "3.4.0"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:identity_services_engine:3.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "2FB4C5B9-7515-4DEB-97DE-C1284039F89E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the RADIUS message processing feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a specific authentication request to a network access device (NAD) that uses Cisco ISE for authentication, authorization, and accounting (AAA). A successful exploit could allow the attacker to cause Cisco ISE to reload."}, {"lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n de procesamiento de mensajes RADIUS de Cisco Identity Services Engine (ISE) podr\u00eda permitir que un atacante remoto no autenticado provoque una denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a la gesti\u00f3n incorrecta de ciertas solicitudes RADIUS. Un atacante podr\u00eda explotar esta vulnerabilidad enviando una solicitud de autenticaci\u00f3n espec\u00edfica a un dispositivo de acceso a la red (NAD) que utiliza Cisco ISE para autenticaci\u00f3n, autorizaci\u00f3n y contabilidad (AAA). Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante provocar la recarga de Cisco ISE."}], "id": "CVE-2025-20152", "lastModified": "2026-06-17T08:40:48.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-20152", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-21T19:27:43.178523Z", "version": "2.0.3"}}]}, "published": "2025-05-21T17:15:56.010", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-restart-ss-uf986G2Q"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

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