CVE-2021-30997: High severity apple ios and ipados vulnerability

Published Aug 24, 2021
·
Updated

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.

Other sources

Mail. A S/MIME issue existed in the handling of encrypted email. This issue was addressed by not automatically loading some MIME parts.

Credit

Damian Poddebniak(M), Christian Dresen(M), Jens Müller(Ruhr University Bochum), Fabian Ising(M), Sebastian Schinzel(M), Simon Friedberger(KU Leuven), Juraj Somorovsky(Ruhr University Bochum), Jörg Schwenk(Ruhr University Bochum)

Affected Software

4 affected componentsFixes available
Apple iOS and iPadOS<15.2
15.2
Apple iOS, iPadOS, and macOS<15.2
15.2
Apple iOS, iPadOS, and macOS<15.2
iPhone OS<15.2

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30997?

CVE-2021-30997 is a vulnerability in Apple iOS and iPadOS that allows for an S/MIME issue in the handling of encrypted email.

2

How does CVE-2021-30997 affect Apple iOS and iPadOS?

CVE-2021-30997 affects Apple iOS and iPadOS versions up to and including 15.2.

3

What is the severity of CVE-2021-30997?

The severity of CVE-2021-30997 is not specified.

4

How can CVE-2021-30997 be fixed?

CVE-2021-30997 can be fixed by updating Apple iOS and iPadOS to version 15.3 or later.

5

Where can I find more information about CVE-2021-30997?

More information about CVE-2021-30997 can be found at the following reference link: [Apple Support](https://support.apple.com/en-us/HT212976)

Contact

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