Buffer overflow in iPadOS and Apple iOS - CVE-2021-30820
Published: September 21, 2021
Vulnerability identifier: #VU56749
CSH Severity: Medium
CVSS v4: 7 [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]
CVE-ID: CVE-2021-30820
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
iPadOS
Apple iOS
Apple iOS
How to mitigate CVE-2021-30820
Install updates from vendor's website.
iPadOS - update to 14.8 18H17
Apple iOS - update to 14.8 18H17
Apple iOS - update to 14.8 18H17