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CVE-2021-31010Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability
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..
7.5 HIGHEPSS 3.67%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 5.0 | MEDIUM | 2.0NVD | AV:N/AC:L/Au:N/C:N/I:P/A:N |
CISA required action
⚡ Known exploited · remediation due Sep 15, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-31010
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Aug 24, 2021
- Last modified
- 2026-06-17 03:51 UTC
Affected Products
As published by the CNA in the CVE record.
ApplemacOS1 version range
- before 11.6
ApplemacOS1 version range
- before 2021
ApplewatchOS1 version range
- before 7.6
ApplewatchOS1 version range
- before 14.8
ApplewatchOS1 version range
- before 12.5
References
- support.apple.com https://support.apple.com/en-us/HT212804
- support.apple.com https://support.apple.com/en-us/HT212805
- support.apple.com https://support.apple.com/en-us/HT212806
- support.apple.com https://support.apple.com/en-us/HT212807
- support.apple.com https://support.apple.com/en-us/HT212824
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010