Improper Certificate Validation in iPadOS and Apple iOS - CVE-2021-1837
Published: April 28, 2021
Vulnerability identifier: #VU52678
CSH Severity: Medium
CVSS v4: 5.3 [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]
CVE-ID: CVE-2021-1837
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
iPadOS
Apple iOS
Apple iOS
How to mitigate CVE-2021-1837
Install updates from vendor's website.
iPadOS - update to 14.5 18E199
Apple iOS - update to 14.5 18E199
Apple iOS - update to 14.5 18E199