CVE-2020-3310

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An attacker could exploit this vulnerability in multiple ways using a malicious file: An attacker with administrative privileges could upload a malicious XML file on the system and cause the XML code to parse the malicious file. An attacker with Clientless Secure Sockets Layer (SSL) VPN access could exploit this vulnerability by sending a crafted XML file. A successful exploit would allow the attacker to crash the XML parser process, which could cause system instability, memory exhaustion, and in some cases lead to a reload of the affected system."}, {"lang": "es", "value": "Una vulnerabilidad en el c\u00f3digo del analizador XML del software Cisco Firepower Device Manager On-Box, podr\u00eda permitir a un atacante remoto autenticado causar que un sistema afectado se vuelva inestable o se sobrecargue. La vulnerabilidad es debido a un endurecimiento (hardening) insuficiente de la configuraci\u00f3n del analizador XML. Un atacante podr\u00eda explotar esta vulnerabilidad de m\u00faltiples maneras usando un archivo malicioso: Un atacante con privilegios administrativos podr\u00eda cargar un archivo XML malicioso sobre el sistema y causar que el c\u00f3digo XML analice el archivo malicioso. Un atacante con acceso VPN Secure Sockets Layer (SSL) sin cliente podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un archivo XML dise\u00f1ado. Una explotaci\u00f3n con \u00e9xito permitir\u00eda a un atacante bloquear el proceso del analizador XML, lo que podr\u00eda causar inestabilidad del sistema, agotamiento de la memoria y, en algunos casos conllevar a una recarga del sistema afectado."}], "id": "CVE-2020-3310", "lastModified": "2026-06-17T03:17:55.957", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 4.2, "source": "psirt@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-3310", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-15T16:28:49.298498Z", "version": "2.0.3"}}]}, "published": "2020-05-06T17:15:13.540", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xpftd-gYDXyN8H"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xpftd-gYDXyN8H"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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