Security restrictions bypass in macOS - CVE-2021-30906

 

Security restrictions bypass in macOS - CVE-2021-30906

Published: October 27, 2021


Vulnerability identifier: #VU57717
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-30906
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due improper permissions checks in iCloud. A local user can bypass security restrictions bypass and escalate privileges on the system.


How to mitigate CVE-2021-30906

Install updates from vendor's website.

Sources