CVE-2020-3918

Name: CVE-2020-3918
Creator: NVD / NIST
Published: 2020-10-22T18:15:13.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2020-3918 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An access issue was addressed with additional sandbox restrictions. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. A local user may be able to view sensitive user information.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.29%

20.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Ipad Os	< 13.4
Apple	Iphone Os	< 13.4
Apple	Mac Os X	< 10.15.4
Apple	Tvos	< 13.4
Apple	Watchos	< 6.2

References

https://support.apple.com/kb/HT211100Vendor Advisory
https://support.apple.com/kb/HT211101Vendor Advisory
https://support.apple.com/kb/HT211102Vendor Advisory
https://support.apple.com/kb/HT211103Vendor Advisory
https://support.apple.com/kb/HT211100Vendor Advisory
https://support.apple.com/kb/HT211101Vendor Advisory
https://support.apple.com/kb/HT211102Vendor Advisory
https://support.apple.com/kb/HT211103Vendor Advisory

Timeline

Published: Oct 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3918?

How severe is CVE-2020-3918?

CVE-2020-3918 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3918?

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-2020-3918?

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

Scan your code now

Source: NVD / NIST