{"id":"CVE-2021-31010","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-31010","summary":"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,…","details":"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..","published":"2021-08-24T18:51:48.000Z","modified":"2025-10-21T23:25:36.283Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":{"score":0.03673,"percentile":0.89093,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":4,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://support.apple.com/en-us/HT212804"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212805"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212807"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212806"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212824"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2025-10-21T23:25:36.283Z"}}