Security features bypass in Apple iOS and iPadOS - CVE-2021-30770
Published: July 22, 2021
Vulnerability identifier: #VU55226
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-30770
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a logic error within the OS Kernel subsystem. A local application that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
How to mitigate CVE-2021-30770
Install updates from vendor's website.