CVE-2020-3837

State: Published
Severity: 7.8 High
Published: Feb 27, 2020
Updated: Oct 21, 2025
Reserved: Dec 18, 2019

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
iOSApple	before iOS 13.3.1 and iPadOS 13.3.1Affected
macOSApple	before macOS Catalina 10.15.3Affected
tvOSApple	before tvOS 13.3.1Affected
watchOSApple	before watchOS 6.1.2Affected

References

https://support.apple.com/HT210919
https://support.apple.com/HT210918
https://support.apple.com/HT210921
https://support.apple.com/HT210920
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3837government-resource

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