medium
5.5
Advisory Published
CVE Published
Updated

CVE-2021-30833

First published: Mon Oct 25 2021(Updated: )

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. Unpacking a maliciously crafted archive may allow an attacker to write arbitrary files.

Credit: Richard Warren NCC GroupRichard Warren NCC Group product-security@apple.com Richard Warren NCC Group

Affected SoftwareAffected VersionHow to fix
Apple macOS Monterey<12.0.1
12.0.1
Apple Catalina
Apple Mac OS X>=10.15<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-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS<12.0.1
Apple macOS>=11.6<11.6.1
Apple macOS Big Sur<11.6.1
11.6.1

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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 the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2021-30833.

  • What software is affected by this vulnerability?

    The software affected by this vulnerability includes Apple Catalina, Apple macOS Big Sur (up to version 11.6.1), and Apple macOS Monterey (up to version 12.0.1).

  • How was this vulnerability addressed?

    This vulnerability was addressed with improved checks.

  • What is the severity level of this vulnerability?

    The severity level of this vulnerability has not been specified.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the following Apple support pages: [Link 1](https://support.apple.com/en-us/HT212871), [Link 2](https://support.apple.com/en-us/HT212872), [Link 3](https://support.apple.com/en-us/HT212869).

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