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appleAppleAPPLE:93614336BB03BEDDCA6E5681D8831D84
HistoryNov 05, 2020 - 12:00 a.m.

About the security content of watchOS 5.3.9

2020-11-0500:00:00
support.apple.com
4

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.008 Low

EPSS

Percentile

81.0%

About the security content of watchOS 5.3.9

This document describes the security content of watchOS 5.3.9.

About Apple security updates

For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

watchOS 5.3.9

Released November 5, 2020

FontParser

Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3, and Apple Watch Series 4 when paired to an iPhone with iOS 12 installed

Impact: Processing a maliciously crafted font may lead to arbitrary code execution. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: A memory corruption issue was addressed with improved input validation.

CVE-2020-27930: Google Project Zero

Kernel

Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3, and Apple Watch Series 4 when paired to an iPhone with iOS 12 installed

Impact: A malicious application may be able to disclose kernel memory. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: A memory initialization issue was addressed.

CVE-2020-27950: Google Project Zero

Kernel

Available for: Apple Watch Series 1, Apple Watch Series 2, Apple Watch Series 3, and Apple Watch Series 4 when paired to an iPhone with iOS 12 installed

Impact: A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: A type confusion issue was addressed with improved state handling.

CVE-2020-27932: Google Project Zero

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

Published Date: November 02, 2023

CPENameOperatorVersion
watchoslt5.3.9

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.008 Low

EPSS

Percentile

81.0%

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