CVE-2021-30913: Medium severity apple macos vulnerability

Published Aug 24, 2021
·
Updated

SoftwareUpdate. Description: A logic issue was addressed with improved restrictions.

Other sources

The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.1. An unprivileged application may be able to edit NVRAM variables.

Credit

Kirin@@Pwnrin, chenyuwang@@mzzzz__(Tencent Security Xuanwu Lab), Kirin@@Pwnrin, chenyuwang@@mzzzz__(Tencent Security Xuanwu Lab), Kirin@@Pwnrin, chenyuwang@@mzzzz__(Tencent Security Xuanwu Lab)

Affected Software

16 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<10.15.7
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-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·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30913?

CVE-2021-30913 is a logic issue in SoftwareUpdate that was addressed with improved restrictions.

2

Who is affected by CVE-2021-30913?

Users of Apple Catalina, Apple macOS Big Sur up to version 11.6.1, and Apple macOS Monterey up to version 12.0.1 are affected by CVE-2021-30913.

3

How can I fix CVE-2021-30913?

To fix CVE-2021-30913, users should update their operating systems to versions that include the necessary security patches, such as Apple macOS Big Sur version 11.6.1 or Apple macOS Monterey version 12.0.1.

4

Where can I find more information about CVE-2021-30913?

You can find more information about CVE-2021-30913 on the Apple support website. Here are some references: [link1], [link2], [link3].

Company

Resources

Contact

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CVE-2021-30913 - Medium severity apple macos vulnerability - SecAlerts