medium
5.5
CWE
22
Advisory Published
CVE Published
Updated

CVE-2021-1740: Path Traversal

First published: Mon Apr 26 2021(Updated: )

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 LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Tencent Security Xuanwu LabYuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Tencent Security Xuanwu LabYuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Tencent Security Xuanwu LabYuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu LabZhipeng Huo @R3dF09 Yuebin Sun @yuebinsun2020 Tencent Security Xuanwu Lab product-security@apple.com

Affected SoftwareAffected VersionHow to fix
<7.4
7.4
Apple macOS Big Sur<11.3
11.3
Apple Catalina
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple Mac OS X>=10.15<=10.15.5
Apple Mac OS X=10.15.6
Apple Mac OS X=10.15.6-supplemental_update
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple watchOS<7.4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-1740?

    CVE-2021-1740 is a vulnerability in Apple iOS, iPadOS, watchOS, macOS Big Sur, Catalina, and tvOS that allows for a parsing issue in the handling of directory paths, which has been addressed with improved path validation.

  • What is the severity of CVE-2021-1740?

    The severity of CVE-2021-1740 is not mentioned in the provided information.

  • How does CVE-2021-1740 impact Apple iOS?

    CVE-2021-1740 affects Apple iOS version up to, but not including, 14.5.

  • How does CVE-2021-1740 impact Apple iPadOS?

    CVE-2021-1740 affects Apple iPadOS version up to, but not including, 14.5.

  • How does CVE-2021-1740 impact Apple watchOS?

    CVE-2021-1740 affects Apple watchOS version up to, but not including, 7.4.

  • How does CVE-2021-1740 impact Apple macOS Big Sur?

    CVE-2021-1740 affects Apple macOS Big Sur version up to, but not including, 11.3.

  • How does CVE-2021-1740 impact Apple Catalina?

    There is no specific information on how CVE-2021-1740 impacts Apple Catalina.

  • How does CVE-2021-1740 impact Apple tvOS?

    CVE-2021-1740 affects Apple tvOS version up to, but not including, 14.5.

  • How can I fix CVE-2021-1740?

    To fix CVE-2021-1740, update your Apple iOS, iPadOS, watchOS, macOS Big Sur, Catalina, or tvOS to version 14.5, 7.4, or 11.3 respectively.

  • Where can I find more information about CVE-2021-1740?

    You can find more information about CVE-2021-1740 at the following references: [1](https://support.apple.com/en-us/HT212326), [2](https://support.apple.com/en-us/HT212317), [3](https://support.apple.com/en-us/HT212324).

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