What is CVE-2020-7459?

CVE-2020-7459 is a medium-severity vulnerability in Freebsd, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2020-08-06.

How severe is CVE-2020-7459?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Improper input validation in Freebsd

CVE-2020-7459

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (33.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Freebsd — versions 11.3, 11.4, 12.1
N/a Freebsd — versions FreeBSD 12.1-RELEASE before p8, 11.4-RELEASE before p2, 11.3-RELEASE before p12

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secteam@freebsd.org (x_refsource_MISC, Vendor Advisory)
secteam@freebsd.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-7459?: CVE-2020-7459 is a medium-severity vulnerability in Freebsd, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2020-08-06.
How severe is CVE-2020-7459?: Medium severity. CVSS v3 base score is 6.8 out of 10.