{"schema":"threatline.record/2","record":{"id":"CVE-2020-3837","aliases":[],"summary":"Apple Multiple Products Memory Corruption Vulnerability","details":"Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a memory corruption vulnerability that could allow an application to execute code with kernel privileges.","categories":["Unclassified"],"product":"Multiple Products","vendor":"Apple","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3837","source_modified_at":"2025-10-21T23:35:50.670Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"iOS","vendor":"Apple","versions":[{"lessThan":"iOS 13.3.1 and iPadOS 13.3.1","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3837","source_modified_at":"2025-10-21T23:35:50.670Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"macOS","vendor":"Apple","versions":[{"lessThan":"macOS Catalina 10.15.3","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3837","source_modified_at":"2025-10-21T23:35:50.670Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"tvOS","vendor":"Apple","versions":[{"lessThan":"tvOS 13.3.1","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3837","source_modified_at":"2025-10-21T23:35:50.670Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"watchOS","vendor":"Apple","versions":[{"lessThan":"watchOS 6.1.2","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2022-06-27","due_date":"2022-07-18","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.14839,"percentile":0.96694,"score_date":"2026-10-23"},"published_at":"2020-02-27T20:45:04.000Z","modified_at":"2025-10-21T23:35:50.670Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2020-3837","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:50.670Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48035","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-02-10"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-3837","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3837","source":"CISA KEV"},{"source":"CVE List","url":"https://support.apple.com/HT210919","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://support.apple.com/HT210918","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://support.apple.com/HT210921","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://support.apple.com/HT210920","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3837","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-01-29T17:40:16.816484Z"},"exploits":[{"source":"Exploit-DB","kind":"Dos exploit","name":"iOS/macOS - Out-of-Bounds Timestamp Write in IOAccelCommandQueue2::processSegmentKernelCommand()","url":"https://www.exploit-db.com/exploits/48035","date":"2020-02-10","added":"2020-02-10","verified":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:35:50.670Z","content_hash":"1b953efb1b063615d39c038d3a16712e56d3e69b0baaf30f659e8121b45eb2c9"}}