CVE-2021-1782
HighActively exploited (CISA KEV)
Description
A race condition was addressed with improved locking. 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 malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
SeverityHigh
CVSS7.0
Exploit probability—
Product
Apple Multiple Products
PublishedApr 2, 2021
First seenApr 2, 2021
Added to KEVNov 3, 2021
Weakness typeCWE-667CWE-667
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Nov 17, 2021Update
- apple ipados14.4 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 ipados | 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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