#VU52678 Improper Certificate Validation in Apple iOS and iPadOS - CVE-2021-1837
Published: April 28, 2021
Vulnerability identifier: #VU52678
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1837
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation in App Store. A remote attacker on a privileged network position can intercept network traffic and perform MitM attack.
Remediation
Install updates from vendor's website.