{"id":"CVE-2021-31010","state":"PUBLISHED","title":"A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.","description":"A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..","publishedAt":"2021-08-24T18:51:48.000Z","updatedAt":"2025-10-21T23:25:36.283Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"apple","products":["Apple macOS","Apple watchOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"11.6","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"unspecified","status":"affected","lessThan":"2021","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"unspecified","status":"affected","lessThan":"7.6","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"unspecified","status":"affected","lessThan":"14.8","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"unspecified","status":"affected","lessThan":"12.5","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/HT212804","https://support.apple.com/en-us/HT212805","https://support.apple.com/en-us/HT212807","https://support.apple.com/en-us/HT212806","https://support.apple.com/en-us/HT212824","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T19:48:30.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/31xxx/CVE-2021-31010.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-31010","state":"PUBLISHED","datePublished":"2021-08-24T18:51:48.000Z","dateUpdated":"2025-10-21T23:25:36.283Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2021-04-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A deserialization issue was addressed through improved validation. 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