#VU50044 Business Logic Errors


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

Vulnerability identifier: #VU50044

Vulnerability risk: Critical

CVSSv3.1:

CVE-ID: CVE-2021-1871

CWE-ID: CWE-840

Exploitation vector: Network

Exploit availability: No

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

Vendor: 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 14.2 18B92, 14.0 18A373

iPadOS: 14.0 18A373 - 14.3 18C66


CPE

External links
http://support.apple.com/en-us/HT212146


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability