S/MIME Encryption Vulnerability in iOS 15.2 and iPadOS 15.2

CVE-2021-30997 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

A S/MIME issue existed in the handling of encrypted email. This issue was addressed by not automatically loading some MIME parts. This issue is fixed in iOS 15.2 and iPadOS 15.2. An attacker may be able to recover plaintext contents of an S/MIME-encrypted e-mail.

Learn more about our Cis Benchmark Audit For Apple Ios.