CVE-2021-30855
Medium
Description
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Apple Ipados
PublishedAug 24, 2021
First seenAug 24, 2021
How to fix
Update
- apple ipados14.8 or later
- apple iphone_os14.8 or later
- apple mac_os_x10.15.7 or later
- apple macos11.6 or later
- apple tvos15.0 or later
- apple watchos8.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 14.8 | 14.8 |
| apple iphone_os | v < 14.8 | 14.8 |
| apple mac_os_x | v < 10.15.7, 10.15.7 | 10.15.7 |
| apple macos | v < 11.6 | 11.6 |
| apple tvos | v < 15.0 | 15.0 |
| apple watchos | v < 8.0 | 8.0 |
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