{"affected":[{"affectedData":[{"product":"iOS","vendor":"Apple","versions":[{"lessThan":"iOS 13.4 and iPadOS 13.4","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"macOS Catalina 10.15.4","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"tvOS 13.4","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"watchOS","vendor":"Apple","versions":[{"lessThan":"watchOS 6.2","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"product-security@apple.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*","matchCriteriaId":"1899DC84-D14F-4D7C-B5BD-1B64404BF4AC","versionEndExcluding":"13.4","vulnerable":true},{"criteria":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","matchCriteriaId":"09DD8CD4-AF42-4A2B-8DF0-AED34E43FDD8","versionEndExcluding":"13.4","vulnerable":true},{"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"D70894A1-024A-44E6-B630-B3137B7ED1BA","versionEndExcluding":"10.15.4","vulnerable":true},{"criteria":"cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*","matchCriteriaId":"3D72D358-8126-4B3C-97E9-A01731C38D45","versionEndExcluding":"13.4","vulnerable":true},{"criteria":"cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*","matchCriteriaId":"29B94B7E-D55C-417C-B2C9-88EB62F11857","versionEndExcluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. A malicious application may be able to execute arbitrary code with kernel privileges."},{"lang":"es","value":"Se abordó un problema de inicialización de memoria con un manejo de la memoria mejorado. Este problema es corregido en iOS versión 13.4 y iPadOS versión 13.4, macOS Catalina versión 10.15.4, tvOS versión 13.4, watchOS versión 6.2. Una aplicación maliciosa puede ejecutar código arbitrario con privilegios kernel."}],"id":"CVE-2020-3919","lastModified":"2026-06-17T03:19:15.740","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":9.3,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":8.6,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-04-01T18:15:17.520","references":[{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211100"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211101"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211102"},{"source":"product-security@apple.com","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211103"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211100"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211101"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211102"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://support.apple.com/HT211103"}],"sourceIdentifier":"product-security@apple.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-665"}],"source":"nvd@nist.gov","type":"Primary"}]}