#VU56749 Buffer overflow in Apple iOS and iPadOS - CVE-2021-30820
Published: September 21, 2021
Vulnerability identifier: #VU56749
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30820
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the Bluetooth subsystem. A remote attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.