CVE-2020-7459

Name: CVE-2020-7459
Creator: NVD / NIST
Published: 2020-08-06T17:15:11.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2020-7459 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. In FreeBSD 12.1-STABLE before r362166, 12.1-RELEASE before p8, 11.4-STABLE before r362167, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, missing length validation code common to mulitple USB network drivers allows a malicious USB device to write beyond the end of an allocated network packet buffer.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

In FreeBSD 12.1-STABLE before r362166, 12.1-RELEASE before p8, 11.4-STABLE before r362167, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, missing length validation code common to mulitple USB network drivers allows a malicious USB device to write beyond the end of an allocated network packet buffer.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.41%

32.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Freebsd	Freebsd	11.3
Freebsd	Freebsd	11.4
Freebsd	Freebsd	12.1

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.ascVendor Advisory
https://security.netapp.com/advisory/ntap-20200821-0005/Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.ascVendor Advisory
https://security.netapp.com/advisory/ntap-20200821-0005/Third Party Advisory

Timeline

Published: Aug 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7459?

How severe is CVE-2020-7459?

CVE-2020-7459 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7459?

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-2020-7459?

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

Scan your code now

Source: NVD / NIST