{"affected":[{"affectedData":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"macOS Catalina 10.15.3","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"product-security@apple.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*","matchCriteriaId":"65C519D7-6C7C-4DDE-9D83-EE31E749AAFF","versionEndExcluding":"10.15.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with kernel privileges."},{"lang":"es","value":"Se abordó un problema de corrupción de memoria con un manejo de memoria mejorado. Este problema es corregido en macOS Catalina versión 10.15.3. Una aplicación puede ser capaz de ejecutar código arbitrario con privilegios kernel."}],"id":"CVE-2020-3871","lastModified":"2026-06-17T03:19:10.720","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":"2020-02-27T21:15:18.413","references":[{"source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/HT210919"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"],"url":"https://support.apple.com/HT210919"}],"sourceIdentifier":"product-security@apple.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}