CVE-2020-3873

Name: CVE-2020-3873
Creator: NVD / NIST
Published: 2020-02-27T21:15:18.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2020-3873 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. Turning off "Load remote content in messages” may not apply to all mail previews.

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.28%

19.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 13.3.1
Apple	Iphone Os	< 13.3.1

References

https://support.apple.com/HT210918Release Notes, Vendor Advisory
https://support.apple.com/HT210918Release Notes, Vendor Advisory

Timeline

Published: Feb 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3873?

This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. Turning off "Load remote content in messages” may not apply to all mail previews.

How severe is CVE-2020-3873?

CVE-2020-3873 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3873?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3873?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST