medium5.3
CVE-2021-30998
A S/MIME issue existed in the handling of encrypted email.
Impact
A S/MIME issue existed in the handling of encrypted email. This issue was addressed with improved selection of the encryption certificate. This issue is fixed in iOS 15.2 and iPadOS 15.2. A sender's email address may be leaked when sending an S/MIME encrypted email using a certificate with more than one email address.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 15.2 |
| Apple | Iphone Os | before 15.2 |