#VU50044 Business Logic Errors in Apple iOS and iPadOS

Published: 2021-01-27 | Updated: 2021-03-23

Vulnerability identifier: #VU50044

Vulnerability risk: Critical

CVSSv3.1: 8.4 [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]

CVE-ID: CVE-2021-1871


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system
Operating systems & Components / Operating system

Vendor: Apple Inc.


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.

Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 14.2 18B92, 14.0 18A373

iPadOS: 14.0 18A373 - 14.3 18C66

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

Latest bulletins with this vulnerability