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CVE-2021-30869Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.
7.8 HIGHEPSS 4.16%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 9.3 | HIGH | 2.0NVD | AV:N/AC:M/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-30869
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Aug 24, 2021
- Last modified
- 2026-06-17 03:51 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
AppleiOS and iPadOS1 version range
- before 14.4
ApplemacOS1 version range
- before 11.2
ApplemacOS1 version range
- before 12.5
ApplemacOS1 version range
- before 2021
References
- support.apple.com https://support.apple.com/en-us/HT212146
- support.apple.com https://support.apple.com/en-us/HT212147
- support.apple.com https://support.apple.com/en-us/HT212824
- support.apple.com https://support.apple.com/en-us/HT212825
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30869