CVE-2021-30997: 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…

PriorityP336high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

0.68%

48.5th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	>= unspecified < 15.2	15.2
apple	ipados	< 15.2	15.2
apple	iphone_os	< 15.2	15.2

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

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