CVE-2020-4067

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There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3."}, {"lang": "es", "value": "En coturn anterior a la versi\u00f3n 4.5.1.3, se presenta un problema por el cual el b\u00fafer de respuesta STUN/TURN no se inicializa apropiadamente. Se presenta una fuga de informaci\u00f3n entre diferentes conexiones de clientes. Un cliente (un atacante) podr\u00eda usar su conexi\u00f3n para consultar inteligentemente coturn para obtener bytes de inter\u00e9s en los bytes de relleno de la conexi\u00f3n de otro cliente. Esto ha sido corregido en la versi\u00f3n 4.5.1.3"}], "id": "CVE-2020-4067", "lastModified": "2026-06-17T03:19:30.783", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": 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