CVE-2021-30997

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Affected: Apple iOS and iPadOS
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-30997?
CVE-2021-30997 has been scored as a high severity vulnerability.
How to fix CVE-2021-30997?
To fix CVE-2021-30997, 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-2021-30997 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30997 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-2021-30997?
CVE-2021-30997 affects Apple iOS and iPadOS.
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