Input validation error in macOS - CVE-2021-30715
Published: May 24, 2021
Vulnerability identifier: #VU53468
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30715
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in OS Kernel subsystem. A remote attacker can send a specially crafted message to he system and perform a denial of service (DoS) attack.
Affected software
macOS
watchOS
tvOS
iPadOS
Apple iOS
watchOS
tvOS
iPadOS
Apple iOS
How to mitigate CVE-2021-30715
Install updates from vendor's website.
macOS - addressed in versions 11.4 20F71, 10.15.7 19H1217
watchOS - update to 7.5 18T567
tvOS - update to 14.6 18L569
iPadOS - update to 14.6 18F72
Apple iOS - update to 14.6 18F72
watchOS - update to 7.5 18T567
tvOS - update to 14.6 18L569
iPadOS - update to 14.6 18F72
Apple iOS - update to 14.6 18F72