CVE-2020-7459
mediumpriority · track · 27EPSS 0.004 · 35 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- n/a FreeBSD≤ FreeBSD 12.1-RELEASE before p8, 11.4-RELEASE before p2, 11.3-RELEASE before p12enisa_euvdEU
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-7459cnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.asccnnvd
- https://security.netapp.com/advisory/ntap-20200821-0005/cnnvd
- https://vigilance.fr/vulnerability/FreeBSD-memory-corruption-via-USB-Network-Device-Drivers-33028cnnvd
- https://www.freebsd.org/security/advisories/FreeBSD-SA-20:21.usb_net.ascPatchcnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.ascenisa_euvd
- https://security.netapp.com/advisory/ntap-20200821-0005/enisa_euvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:21.usb_net.ascVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan