Buffer overflow in Apple iOS and iPadOS - CVE-2020-9859
Published: June 3, 2020 / Updated: February 20, 2022
Vulnerability identifier: #VU28536
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-9859
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with kernel privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Apple iOS
iPadOS
iPadOS
How to mitigate CVE-2020-9859
Install updates from vendor's website.
Apple iOS - update to 13.5.1 17F80
iPadOS - update to 13.5.1
iPadOS - update to 13.5.1