Input validation error in iPadOS and Apple iOS - CVE-2021-30763

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Main Vulnerability Database Vulnerabilities #VU55221

Input validation error in iPadOS and Apple iOS - CVE-2021-30763

Published: July 22, 2021


Vulnerability identifier: #VU55221
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30763
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input in ActionKit. A malicious application can use a specially crafted shortcut to bypass Internet permission requirements.


Affected software

iPadOS
Apple iOS
watchOS

How to mitigate CVE-2021-30763

Install updates from vendor's website.

iPadOS - addressed in versions 14.7 18G69, 14.7 18G70
Apple iOS - update to 14.7 18G69
watchOS - update to 7.6 18U63

External References

Related Security Bulletins