high
7.6
CWE
362
Advisory Published
CVE Published
Updated

CVE-2021-30652: Race Condition

First published: Mon Apr 26 2021(Updated: )

A race condition was addressed with additional validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to gain root privileges.

Credit: James Hutchins James Hutchins James Hutchins James Hutchins James Hutchins James Hutchins product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple tvOS<14.5
14.5
<7.4
7.4
Apple macOS Big Sur<11.3
11.3
Apple Catalina
Apple Mojave
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.5
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
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-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-2021-30652?

    CVE-2021-30652 is a vulnerability in the libxpc library that allows a race condition to occur.

  • Which software versions are affected by CVE-2021-30652?

    CVE-2021-30652 affects Apple iOS up to version 14.5, Apple iPadOS up to version 14.5, Apple watchOS up to version 7.4, Apple macOS Big Sur up to version 11.3, Apple Catalina, Apple tvOS up to version 14.5, and Apple Mojave.

  • How severe is CVE-2021-30652?

    The severity of CVE-2021-30652 is not specified.

  • How can I fix CVE-2021-30652?

    To fix CVE-2021-30652, update your Apple device to the latest version of the affected software.

  • Where can I find more information about CVE-2021-30652?

    You can find more information about CVE-2021-30652 on Apple's official security advisory page: [link](https://support.apple.com/en-us/HT212326)

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