CVE-2021-30731: Medium severity Apple macOS Big Sur vulnerability

Published May 24, 2021
·
Updated

IOUSBHostFamily. An unprivileged application may be able to capture USB devices.

Other sources

IOUSBHostFamily. This issue was addressed with improved checks.

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina. An unprivileged application may be able to capture USB devices.

Credit

UTM@@UTMapp

Affected Software

13 affected componentsFixes available
Apple macOS Big Sur<11.4
11.4
Apple Catalina
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
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-supplemental_update
Apple macOS>=11.0.1<11.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 11.4
  2. Upgrade

    Upgrade macOS Big Sur to a version that resolves this vulnerability.

    Fixed in 11.4
  3. Upgrade

    Upgrade macOS Catalina to a version that resolves this vulnerability.

    Patch Security Update 2021-004 Catalina

Event History

Sep 8, 2021
CVE Published
via MITRE·01:42 PM
Data Sourced
via MITRE·01:42 PM
DescriptionWeakness
Apr 13, 2022
Exploit Published
via GitHub·06:13 AM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID of this issue is CVE-2021-30731.

2

What is the title of this vulnerability?

The title of this vulnerability is IOUSBHostFamily.

3

What is the description of this vulnerability?

This vulnerability in IOUSBHostFamily allows an unprivileged application to capture USB devices.

4

Which software is affected by this vulnerability?

The affected software includes Apple Catalina and Apple macOS Big Sur (up to version 11.4).

5

How can this vulnerability be addressed?

This vulnerability has been addressed with improved checks in the IOUSBHostFamily.

Company

Resources

Contact

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