CVE-2021-30716: Medium severity apple macos vulnerability

Published May 24, 2021
·
Updated

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to perform denial of service.

Other sources

smbx. A logic issue was addressed with improved state management.

Credit

Aleksandar Nikolic(Cisco Talos), Aleksandar Nikolic(Cisco Talos), Aleksandar Nikolic(Cisco Talos)

Affected Software

33 affected componentsFixes available
Apple macOS Big Sur<11.4
11.4
Apple Catalina
Apple Mojave
Apple iOS and macOS>=10.14<=10.14.5
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
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-supplemental_update
Apple macOS>=11.0<11.4

Event History

Sep 8, 2021
CVE Published
via MITRE·02:29 PM
Data Sourced
via MITRE·02:29 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID of this issue?

The vulnerability ID is CVE-2021-30716.

2

What is the affected software?

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

3

What is the severity of CVE-2021-30716?

The severity of CVE-2021-30716 is not specified.

4

How can I fix CVE-2021-30716?

To fix CVE-2021-30716, update your macOS Big Sur to version 11.4 or apply the necessary security updates from Apple.

5

Where can I find more information about CVE-2021-30716?

You can find more information about CVE-2021-30716 on the Apple support website: [https://support.apple.com/en-us/HT212530](https://support.apple.com/en-us/HT212530), [https://support.apple.com/en-us/HT212529](https://support.apple.com/en-us/HT212529), [https://support.apple.com/en-us/HT212531](https://support.apple.com/en-us/HT212531).

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