CVE-2020-9920

Description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple macOS
Affected: Apple watchOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/kb/HT211289 vendor advisory
https://support.apple.com/kb/HT211288 vendor advisory
https://support.apple.com/kb/HT211291 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9920?
CVE-2020-9920 has been scored as a critical severity vulnerability.
How to fix CVE-2020-9920?
To fix CVE-2020-9920, 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-2020-9920 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9920 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-2020-9920?
CVE-2020-9920 affects Apple iOS, Apple macOS, Apple watchOS.
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