Race condition in iPadOS and Apple iOS - CVE-2021-1782
Published: January 27, 2021 / Updated: June 20, 2021
Vulnerability identifier: #VU50045
CSH Severity: Critical
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1782
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to a race condition in the Kernel component. A remote attacker can use a malicious application and escalate privileges on the system.
Note: The vulnerability is being actively exploited in the wild.
Affected software
iPadOS
Apple iOS
watchOS
macOS
tvOS
Apple iOS
watchOS
macOS
tvOS
How to mitigate CVE-2021-1782
Install updates from vendor's website.
iPadOS - update to 14.4 18D52
Apple iOS - update to 14.4 18D52
watchOS - update to 7.3 18S801
macOS - addressed in versions 10.14.6 18G8012, 10.15.7 19H512
tvOS - update to 14.4 18K802
Apple iOS - update to 14.4 18D52
watchOS - update to 7.3 18S801
macOS - addressed in versions 10.14.6 18G8012, 10.15.7 19H512
tvOS - update to 14.4 18K802