CVE-2021-1818
Critical
Description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Apple Ipad Os
PublishedApr 2, 2021
First seenApr 2, 2021
How to fix
Update
- apple ipad_os14.4 or later
- apple iphone_os14.4 or later
- apple mac_os_x10.14.6, 10.15.7 or later
- apple macos11.2 or later
- apple tvos14.4 or later
- apple watchos7.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipad_os | v < 14.4 | 14.4 |
| apple iphone_os | v < 14.4 | 14.4 |
| apple mac_os_x | 10.14 ≤ v < 10.14.6, 10.15 ≤ v < 10.15.7, 10.14.6, 10.15.7 | 10.14.6, 10.15.7 |
| apple macos | 11.0 ≤ v < 11.2 | 11.2 |
| apple tvos | v < 14.4 | 14.4 |
| apple watchos | v < 7.3 | 7.3 |
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