Zero-day vulnerability in Apple iOS

Business Logic Errors

Vulnerability details

Advisory: SB2021012702 - Multiple vulnerabilities in Apple iOS and iPadOS

Vulnerable component: Apple iOS

CVE-ID: CVE-2021-1871

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-840 - Business Logic Errors (3.0)


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.