What is CVE-2019-7284?

CVE-2019-7284 is a medium-severity vulnerability in Apple iOS. CVSS score: 4.3/10. Published 2019-12-18.

How severe is CVE-2019-7284?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Apple iOS

CVE-2019-7284

This issue was addressed with improved checks. This issue is fixed in iOS 12.2. Processing a maliciously crafted mail message may lead to S/MIME signature spoofing.

Published 2019-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple iOS — versions unspecified
Apple Iphone OS

References

support.apple.com/HT209599 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-7284?: CVE-2019-7284 is a medium-severity vulnerability in Apple iOS. CVSS score: 4.3/10. Published 2019-12-18.
How severe is CVE-2019-7284?: Medium severity. CVSS v3 base score is 4.3 out of 10.