CVE-2020-3899

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. A remote attacker may be able to cause arbitrary code execution.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.13% Top 25%

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 iOS

Affected: Apple tvOS

Affected: Apple watchOS

Affected: Apple Safari

Affected: Apple iTunes for Windows

Affected: Apple iCloud for Windows

Affected: Apple iCloud for Windows (Legacy)

References

Link	Tags
https://support.apple.com/HT211102	release notes vendor advisory
https://support.apple.com/HT211101	release notes vendor advisory
https://support.apple.com/HT211104	release notes vendor advisory
https://support.apple.com/HT211105	release notes vendor advisory
https://support.apple.com/HT211106	release notes vendor advisory
https://support.apple.com/HT211107	release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3899?: CVE-2020-3899 has been scored as a high severity vulnerability.
How to fix CVE-2020-3899?: To fix CVE-2020-3899, 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-2020-3899 being actively exploited in the wild?: It is possible that CVE-2020-3899 is being exploited or will be exploited in a near future based on public information. 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-2020-3899?: CVE-2020-3899 affects Apple iOS, Apple tvOS, Apple watchOS, Apple Safari, Apple iTunes for Windows, Apple iCloud for Windows, Apple iCloud for Windows (Legacy).

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