CVE-2020-3852

Name: CVE-2020-3852
Creator: NVD / NIST
Published: 2020-10-27T21:15:14.947+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2020-3852 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A logic issue was addressed with improved validation. This issue is fixed in Safari 13.0.5. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

A logic issue was addressed with improved validation. This issue is fixed in Safari 13.0.5. A URL scheme may be incorrectly ignored when determining multimedia permission for a website.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.96%

57.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Apple	Safari	< 13.0.5

References

https://support.apple.com/en-us/HT210922Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT210922Release Notes, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-3852?

A logic issue was addressed with improved validation. This issue is fixed in Safari 13.0.5. A URL scheme may be incorrectly ignored when determining multimedia permission for a website.

How severe is CVE-2020-3852?

CVE-2020-3852 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3852?

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-2020-3852?

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

Scan your code now

Source: NVD / NIST