CVE-2020-9821: Critical severity tvos vulnerability
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. A malicious application may be able to execute arbitrary code with kernel privileges.
Other sources
Kernel. A memory corruption issue was addressed with improved state management.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-9827
- CVE-2020-9842
- CVE-2020-9815
- CVE-2020-9791
- CVE-2020-9829
- CVE-2020-9816
- CVE-2020-3878
- CVE-2020-9789
- CVE-2020-9790
- CVE-2020-9837
- CVE-2020-9821
- CVE-2020-9797
- CVE-2020-9852
- CVE-2020-9795
- CVE-2020-9808
- CVE-2020-9811
- CVE-2020-9812
- CVE-2020-9813
- CVE-2020-9814
- CVE-2020-9809
- CVE-2020-9994
- CVE-2014-9512
- CVE-2020-9854
- CVE-2020-9794
- CVE-2020-9839
- CVE-2020-9805
- CVE-2020-9802
- CVE-2020-9850
- CVE-2020-9843
- CVE-2020-9803
- CVE-2020-9806
- CVE-2020-9807
- CVE-2020-9800
- CVE-2019-20503
- CVE-2020-9772
- CVE-2020-9826
- CVE-2020-9804
- CVE-2020-9831
- CVE-2020-9779
- CVE-2020-3882
- CVE-2020-9828
- CVE-2020-9856
- CVE-2020-9847
- CVE-2020-9855
- CVE-2020-9822
- CVE-2020-9796
- CVE-2019-14868
- CVE-2020-9857
- CVE-2020-9817
- CVE-2020-9851
- CVE-2020-9793
- CVE-2020-9825
- CVE-2020-9771
- CVE-2020-9788
- CVE-2020-9824
- CVE-2020-9810
- CVE-2020-9792
- CVE-2020-9844
- CVE-2020-9830
- CVE-2020-9834
- CVE-2020-9833
- CVE-2020-9832
- CVE-2020-9841
- CVE-2019-20044
- CVE-2020-9819
- CVE-2020-9818
- CVE-2020-6616
- CVE-2020-9838
- CVE-2020-9835
- CVE-2020-9820
- CVE-2020-9823
- CVE-2020-9848
Frequently Asked Questions
What is CVE-2020-9821?
CVE-2020-9821 is a memory corruption vulnerability in the Kernel that was addressed with improved state management.
Which software is affected by CVE-2020-9821?
CVE-2020-9821 affects Apple watchOS 6.2.5, Apple macOS Catalina 10.15.5, Apple iOS 13.5, Apple iPadOS 13.5, and Apple tvOS 13.4.5.
Is there a remedy available for CVE-2020-9821?
Yes, the remedy for CVE-2020-9821 is to update to the specified versions of the affected software.
Where can I find more information about CVE-2020-9821?
More information about CVE-2020-9821 can be found on the Apple support website.