CVE-2021-30763: Input Validation

Published Jul 19, 2021
·
Updated

ActionKit. An input validation issue was addressed with improved input validation.

Other sources

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.7, watchOS 7.6. A shortcut may be able to bypass Internet permission requirements.

Credit

Zachary Keffaber@@QuickUpdate5, Denis Tokarev@@illusionofcha0s, tr3e, George Nosenko, JunDong Xie(Ant Security Light), ryuzaki, Mickey Jin@@patch1t(Trend Micro), Sunglin(Knownsec 404 team), Yizhuo Wang(Group of Software Security In Progress), Tim Michaud@@TimGMichaud(Zoom Video Communications), Linus Henze (pinauten.de), Csaba Fitzl@@theevilbit(Offensive Security), tr3e(Trend Micro Zero Day Initiative), hjy79425575(Trend Micro Zero Day Initiative), Matthew Denton(Google Chrome Security), Jzhu(Baidu Security), Ye Zhang@@co0py_Cat(Baidu Security), CFF(Topsec Alpha Team), CVE-2021-3518, CVE-2018-25010, CVE-2018-25011, CVE-2018-25014, CVE-2020-36328, CVE-2020-36329, CVE-2020-36330, CVE-2020-36331, Anonymous(Trend Micro Zero Day Initiative), Christoph Guttandin(Media Codings), Sergei Glazunov(Google Project Zero), Ivan Fratric(Google Project Zero), vm_call, Nozhdar Abdulkhaleq Shukri, Mickey Jin@@patch1t(Trend Micro working with Trend Micro Zero Day Initiative), Georgi Valkov (httpstorm.com)

Affected Software

6 affected componentsFixes available
Apple WatchOS<7.6
7.6
Apple iPadOS<14.7
Apple iPhone OS<14.7
Apple WatchOS<7.6
Apple iOS<14.7
14.7
Apple iPadOS<14.7
14.7

Event History

Jul 19, 2021
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Sep 8, 2021
CVE Published
via MITRE·01:46 PM
Data Sourced
via MITRE·01:46 PM
DescriptionWeakness
Feb 24, 2026
Updated
via Apple·07:00 PM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30763?

CVE-2021-30763 is an input validation issue in ActionKit that has been addressed with improved input validation.

2

What software is affected by CVE-2021-30763?

CVE-2021-30763 affects Apple watchOS version up to exclusive 7.6.

3

How can I fix CVE-2021-30763?

To fix CVE-2021-30763, update your Apple watchOS to version 7.6 or later.

4

What is the severity of CVE-2021-30763?

The severity rating for CVE-2021-30763 is not specified.

5

Where can I find more information about CVE-2021-30763?

For more information about CVE-2021-30763, you can refer to the following link: [CVE-2021-30763](https://support.apple.com/en-us/HT212605)

Company

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