What is CVE-2021-30997?

CVE-2021-30997 is a high-severity vulnerability in Apple iOS And Ipados, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.5/10. Published 2021-08-24.

How severe is CVE-2021-30997?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple iOS And Ipados

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 15.2 and iPadOS 15.2. An attacker may be able to recover plaintext contents of an S/MIME-encrypted e-mail.

EPSS: 0.007 (48.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apple Ios And Ipados — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

product-security@apple.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30997?: CVE-2021-30997 is a high-severity vulnerability in Apple iOS And Ipados, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.5/10. Published 2021-08-24.
How severe is CVE-2021-30997?: High severity. CVSS v3 base score is 7.5 out of 10.