CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-30900
High (7.8) in Apple iOS, iPadOS, and macOS. In CISA KEV since 2023-03-30. EPSS 5.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2023-03-30, due 2023-04-20
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apple:ipados
- apple:iphone_os
- apple:macos