Security restrictions bypass in macOS - CVE-2021-30727

 

Security restrictions bypass in macOS - CVE-2021-30727

Published: May 24, 2021


Vulnerability identifier: #VU53451
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30727
CWE-ID: CWE-264
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 application does not properly impose security restrictions in Crash reported component. A local application can modify protected parts of the file system.


Affected software

macOS
watchOS
iPadOS
tvOS
Apple iOS

How to mitigate CVE-2021-30727

Install updates from vendor's website.

macOS - update to 11.4 20F71
watchOS - update to 7.5 18T567
iPadOS - update to 14.6 18F72
tvOS - update to 14.6 18L569
Apple iOS - update to 14.6 18F72

External References

Related Security Bulletins