CVE-2021-1815: Path Traversal

Published Apr 26, 2021
·
Updated

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.

Other sources

Preferences. A parsing issue in the handling of directory paths was addressed with improved path validation.

Credit

Zhipeng Huo@@R3dF09, Yuebin Sun@@yuebinsun2020(Tencent Security Xuanwu Lab), Zhipeng Huo@@R3dF09(Tencent Security Xuanwu Lab)

Affected Software

10 affected componentsFixes available
Apple macOS Big Sur<11.3
11.3
Apple tvOS<14.5
14.5
Apple WatchOS<7.4
7.4
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple WatchOS<7.4

Event History

Sep 8, 2021
CVE Published
via MITRE·02:54 PM
Data Sourced
via MITRE·02:54 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-1815?

CVE-2021-1815 is a vulnerability in Apple software that relates to a parsing issue in the handling of directory paths.

2

Which Apple products are affected by CVE-2021-1815?

Apple iOS, iPadOS, watchOS, macOS Big Sur, and tvOS versions up to and including 14.5, 7.4, 11.3, 14.5, and 14.5 respectively are affected.

3

What is the severity of CVE-2021-1815?

The severity of CVE-2021-1815 is not mentioned in the provided information.

4

How can I fix CVE-2021-1815?

To fix CVE-2021-1815, update your Apple software to the recommended versions mentioned in the provided references.

5

Where can I find more information about CVE-2021-1815?

You can find more information about CVE-2021-1815 in the provided references: [Link 1](https://support.apple.com/en-us/HT212317), [Link 2](https://support.apple.com/en-us/HT212324), [Link 3](https://support.apple.com/en-us/HT212325)

Contact

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