#VU50044 Business Logic Errors in Apple iOS and iPadOS - CVE-2021-1871
Published: January 27, 2021 / Updated: March 23, 2021
Vulnerability identifier: #VU50044
Vulnerability risk: Critical
CVSSv4.0: 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/E:A/U:Red
CVE-ID: CVE-2021-1871
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
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 system.
The vulnerability exists due to a logic issue in the WebKit component. A remote attacker can trick a victim to visit a malicious website and execute arbitrary code on the system.
Note: The vulnerability is being actively exploited in the wild.
Remediation
Install updates from vendor's website.