CVE-2020-13940

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{"affected": [{"affectedData": [{"product": "Apache NiFi", "vendor": "n/a", "versions": [{"status": "affected", "version": "Apache NiFi 1.0.0 to 1.11.4"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*", "matchCriteriaId": "43022122-9397-48D7-BD86-925042103633", "versionEndIncluding": "1.11.4", "versionStartIncluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE)."}, {"lang": "es", "value": "En Apache NiFi versiones 1.0.0 hasta 1.11.4, el administrador del servicio de notificaci\u00f3n y varios objetos del autorizador de pol\u00edticas y proveedor de grupos de usuarios permitieron a los administradores confiables configurar inadvertidamente un archivo XML potencialmente malicioso. El archivo XML tiene la capacidad de hacer llamadas externas a servicios (por medio de XXE)"}], "id": "CVE-2020-13940", "lastModified": "2026-06-17T02:53:56.643", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-01T20:15:13.097", "references": [{"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "https://nifi.apache.org/security#CVE-2020-13940"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://nifi.apache.org/security#CVE-2020-13940"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-611"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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