critical
10
Advisory Published
CVE Published
Updated

CVE-2021-30655

First published: Mon Apr 26 2021(Updated: )

An application may be able to execute arbitrary code with system privileges. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. The issue was addressed with improved permissions logic.

Credit: Gary Nield ECSC Group plcTim Michaud @TimGMichaud Zoom Video CommunicationsWojciech Reguła @_r3ggi SecuRing product-security@apple.com Gary Nield ECSC Group plcTim Michaud @TimGMichaud Zoom Video CommunicationsWojciech Reguła @_r3ggi SecuRing

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.3
11.3
Apple Catalina
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-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

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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-2021-30655?

    CVE-2021-30655 is a vulnerability in Wi-Fi where an application may be able to execute arbitrary code with system privileges.

  • Which software is affected by CVE-2021-30655?

    CVE-2021-30655 affects Apple Catalina and Apple macOS Big Sur up to version 11.3.

  • How can I fix CVE-2021-30655?

    To fix CVE-2021-30655, update your Apple macOS Big Sur to version 11.3 or later.

  • Where can I find more information about CVE-2021-30655?

    You can find more information about CVE-2021-30655 on the Apple support website.

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