CVE-2021-30769: Input Validation

Published Jul 19, 2021
·
Updated

A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

Other sources

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

— Apple

Analytics. A logic issue was addressed with improved restrictions.

— Apple

Analytics. This issue was addressed with a new entitlement.

— Apple

App Store. A permissions issue was addressed with improved validation.

— Apple

Audio. This issue was addressed with improved checks.

— Apple

Credit

Linus Henze (pinauten.de), 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), 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

7 affected componentsFixes available
Apple tvOS<14.7
14.7
Apple WatchOS<7.6
7.6
Apple iPhone OS<14.7
Apple tvOS<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
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Affected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Sep 8, 2021
CVE Published
via MITRE·01:47 PM
Data Sourced
via MITRE·01:47 PM
DescriptionWeakness
Feb 24, 2026
Updated
via Apple·07:00 PM
DescriptionWeaknessAffected Software
Updated
via Apple·07:00 PM
DescriptionAffected 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 the vulnerability ID?

The vulnerability ID is CVE-2021-30769.

2

What is the affected software?

The affected software includes Apple watchOS up to version 7.6 and Apple tvOS up to version 14.7.

3

What is the severity of CVE-2021-30769?

The severity of CVE-2021-30769 has not been specified.

4

How does CVE-2021-30769 affect the system?

CVE-2021-30769 is a logic issue that has been addressed with improved state management.

5

How can I fix the vulnerability?

To fix the vulnerability, update your Apple watchOS to version 7.6 or later, and update your Apple tvOS to version 14.7 or later.

Company

Resources

Contact

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