CVE-2021-30883
HighActively exploited (CISA KEV)
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
SeverityHigh
CVSS7.8
Exploit probability—
Product
Apple Multiple Products
PublishedAug 24, 2021
First seenAug 24, 2021
Added to KEVMay 23, 2022
Weakness typeCWE-787Out-of-bounds write
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Jun 13, 2022Update
- apple ipados14.8.1, 15.0.2 or later
- apple iphone_os14.8.1, 15.0.2 or later
- apple macos11.6.1 or later
- apple tvos15.1 or later
- apple watchos8.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 14.8.1, 15.0 ≤ v < 15.0.2 | 14.8.1, 15.0.2 |
| apple iphone_os | v < 14.8.1, 15.0 ≤ v < 15.0.2 | 14.8.1, 15.0.2 |
| apple macos | 11.0 ≤ v < 11.6.1, 12.0 | 11.6.1 |
| apple tvos | v < 15.1 | 15.1 |
| apple watchos | v < 8.1 | 8.1 |
Check your version
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