CVE-2020-9804

Name: CVE-2020-9804
Creator: NVD / NIST
Published: 2020-06-09T17:15:12.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2020-9804 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.5. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.5. Inserting a USB device that sends invalid messages may cause a kernel panic.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.30%

21.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Mac Os X	< 10.15.5

References

https://support.apple.com/HT211170Release Notes, Vendor Advisory
https://support.apple.com/HT211170Release Notes, Vendor Advisory

Timeline

Published: Jun 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9804?

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.5. Inserting a USB device that sends invalid messages may cause a kernel panic.

How severe is CVE-2020-9804?

CVE-2020-9804 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9804?

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-2020-9804?

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

Scan your code now

Source: NVD / NIST