CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-30665
High (8.8) in Apple Multiple Products. In CISA KEV since 2021-11-03. EPSS 3.7% chance of exploitation in the next 30 days.
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Severity
- EPSS
- 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2021-11-17
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apple:ipados
- apple:iphone_os
- apple:macos
- apple:tvos
- apple:watchos