CVE-2020-3857: 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…

PriorityP340high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.37%

29.6th percentile

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 system privileges.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
apple	ios	>= unspecified < iOS 13.3.1 and iPadOS 13.3.1	iOS 13.3.1 and iPadOS 13.3.1
apple	ipados	< 13.3.1	13.3.1
apple	iphone_os	< 13.3.1	13.3.1
apple	mac_os_x	< 10.15.3	10.15.3
apple	macos	>= unspecified < macOS Catalina 10.15.3	macOS Catalina 10.15.3
apple	tvos	< 13.3.1	13.3.1
apple	tvos	>= unspecified < tvOS 13.3.1	tvOS 13.3.1
apple	watchos	< 6.1.2	6.1.2
apple	watchos	>= unspecified < watchOS 6.1.2	watchOS 6.1.2

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.