CVE-2021-30998

Description

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.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.26%

Affected: Apple iOS and iPadOS

References

Link	Tags
https://support.apple.com/en-us/HT212976

Frequently Asked Questions

What is the severity of CVE-2021-30998?: CVE-2021-30998 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30998?: To fix CVE-2021-30998, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30998 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30998 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30998?: CVE-2021-30998 affects Apple iOS and iPadOS.

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