CVE-2021-1815

MEDIUM

iPadOS < 14.5 - Path Traversal and Arbitrary File Write via Directory Path Handling

Title source: llm

Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A local user may be able to modify protected parts of the file system.

References (4)

Core 4

Core References

Vendor Advisory x_refsource_misc

https://support.apple.com/en-us/HT212317

Vendor Advisory x_refsource_misc

https://support.apple.com/en-us/HT212323

Vendor Advisory x_refsource_misc

https://support.apple.com/en-us/HT212324

Vendor Advisory x_refsource_misc

https://support.apple.com/en-us/HT212325

Scores

CVSS v3 5.5

EPSS 0.0039

EPSS Percentile 30.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Details

CWE

CWE-22

Status published

Products (5)

apple/ipados < 14.5

apple/iphone_os < 14.5

apple/macos 11.0 - 11.3

apple/tvos < 14.5

apple/watchos < 7.4

Published Sep 08, 2021

Tracked Since Feb 18, 2026