{"schema":"threatline.record/2","record":{"id":"CVE-2020-9818","aliases":[],"summary":"Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability","details":"Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.","categories":["Operating systems"],"product":"iOS, iPadOS, and watchOS","vendor":"Apple","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-9818","source_modified_at":"2025-12-20T04:55:53.124Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"iOS","vendor":"Apple","versions":[{"lessThan":"iOS 13.5 and iPadOS 13.5","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-9818","source_modified_at":"2025-12-20T04:55:53.124Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"iOS-1","vendor":"Apple","versions":[{"lessThan":"iOS 12.4.7","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-9818","source_modified_at":"2025-12-20T04:55:53.124Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"watchOS","vendor":"Apple","versions":[{"lessThan":"watchOS 6.2.5","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.02286,"percentile":0.83059,"score_date":"2026-10-23"},"published_at":"2020-06-09T16:12:39.000Z","modified_at":"2025-12-20T04:55:53.124Z","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-2020-9818","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-12-20T04:55:53.124Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-9818","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9818","source":"CISA KEV"},{"source":"CVE List","url":"https://support.apple.com/HT211168","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://support.apple.com/HT211175","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://support.apple.com/HT211169","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818","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":"2025-08-19T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-12-20T04:55:53.124Z","content_hash":"1ba584b12803c8fa95363c18f6f9463a339594382d6da295846c271a99f09f6a"}}