Improper access control in macOS - CVE-2021-30947

 

Improper access control in macOS - CVE-2021-30947

Published: December 14, 2021


Vulnerability identifier: #VU58879
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30947
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to gain unauthorized access to otherwise restricted information.

The vulnerability exists due to improper access restrictions within Sandbox implementation. A local application can bypass implemented security restrictions and access user's files.


Affected software

macOS
watchOS
tvOS
Apple iOS
iPadOS

How to mitigate CVE-2021-30947

Install updates from vendor's website.

macOS - addressed in versions 12.1 21C52, 11.6.2 20G314
watchOS - update to 8.3 19S55
tvOS - update to 15.2 19K53
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57
iPadOS - update to 15.2 19C56

External References

Related Security Bulletins