CVE-2020-9999

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iTunes for Windows 12.10.9. Processing a maliciously crafted text file may lead to arbitrary code execution.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple macOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/kb/HT211843 vendor advisory
https://support.apple.com/kb/HT211850 vendor advisory
https://support.apple.com/kb/HT211844 vendor advisory
https://support.apple.com/kb/HT211935 vendor advisory
https://support.apple.com/en-us/HT211931 vendor advisory
https://support.apple.com/en-us/HT211952 vendor advisory
http://seclists.org/fulldisclosure/2020/Dec/32 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-9999?
CVE-2020-9999 has been scored as a high severity vulnerability.
How to fix CVE-2020-9999?
To fix CVE-2020-9999, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9999 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9999 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9999?
CVE-2020-9999 affects Apple macOS, Apple macOS.
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