Improper Authorization in iPadOS and Apple iOS - CVE-2021-30874
Published: December 8, 2021
Vulnerability identifier: #VU58691
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-2021-30874
CWE-ID: CWE-285
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 in NetworkExtension subsystem due to missing permissions checks. A local application can install a VPN configuration without having necessary permissions.
Affected software
iPadOS
Apple iOS
macOS
Apple iOS
macOS
How to mitigate CVE-2021-30874
Install updates from vendor's website.
iPadOS - update to 15.0 19A346
Apple iOS - update to 15.0 19A346
macOS - update to 12.0.1 21A559
Apple iOS - update to 15.0 19A346
macOS - update to 12.0.1 21A559