CVE-2021-30892: Medium severity apple macos vulnerability

Published Aug 24, 2021
·
Updated

An inherited permissions issue was addressed with additional restrictions. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to modify protected parts of the file system.

Other sources

zsh. An inherited permissions issue was addressed with additional restrictions.

Credit

Jonathan Bar Or(Microsoft), Jonathan Bar Or(Microsoft), Jonathan Bar Or(Microsoft)

Affected Software

15 affected componentsFixes available
Apple macOS Big Sur<11.6.1
11.6.1
Apple Catalina
Apple macOS Monterey<12.0.1
12.0.1
Apple iOS and macOS<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS=12.0

Event History

Aug 24, 2021
CVE Published
via MITRE·06:49 PM
Data Sourced
via MITRE·06:49 PM
DescriptionWeakness
Jan 13, 2025
News Published
via BleepingComputer·06:24 PM
News Published
via BleepingComputer·06:25 PM
Jul 28, 2025
News Published
via BleepingComputer·06:03 PM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30892?

CVE-2021-30892 is a vulnerability in zsh that allows for an inherited permissions issue.

2

What software is affected by CVE-2021-30892?

CVE-2021-30892 affects Apple Catalina, Apple macOS Big Sur (up to version 11.6.1), and Apple macOS Monterey (up to version 12.0.1).

3

How was CVE-2021-30892 addressed?

CVE-2021-30892 was addressed by adding additional restrictions to resolve the inherited permissions issue.

4

Where can I find more information about CVE-2021-30892?

You can find more information about CVE-2021-30892 on the following Apple support pages: [link](https://support.apple.com/en-us/HT212871), [link](https://support.apple.com/en-us/HT212872), [link](https://support.apple.com/en-us/HT212869).

5

How do I fix CVE-2021-30892?

To fix CVE-2021-30892, update your Apple software to the latest available version, such as macOS Big Sur version 11.6.1 or macOS Monterey version 12.0.1.

Contact

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