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CVE-2021-30900Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
7.8 HIGHEPSS 5.20%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1CISA-ADP | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2021-30900
- Status
- Published
- Assigner (CNA)
- apple
- Published
- Aug 24, 2021
- Last modified
- 2025-10-21 23:25 UTC
Affected Products
As published by the CNA in the CVE record.
AppleiOS and iPadOS1 version range
- before 15.1
AppleiOS and iPadOS1 version range
- before 14.8
References
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS