What is CVE-2020-3890?

CVE-2020-3890 is a medium-severity vulnerability in Apple iOS. CVSS score: 5.3/10. Published 2020-04-01.

How severe is CVE-2020-3890?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apple iOS

CVE-2020-3890

The issue was addressed with improved deletion. This issue is fixed in iOS 13.4 and iPadOS 13.4. Deleted messages groups may still be suggested as an autocompletion.

Published 2020-04-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% 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 Ipad OS
Apple Iphone OS

References

support.apple.com/HT211102 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3890?: CVE-2020-3890 is a medium-severity vulnerability in Apple iOS. CVSS score: 5.3/10. Published 2020-04-01.
How severe is CVE-2020-3890?: Medium severity. CVSS v3 base score is 5.3 out of 10.