CVE-2020-7456
highpriority · track · 27EPSS 0.006 · 46 %ileEUUSEPSS · scored 2026-10-27
In FreeBSD 12.1-STABLE before r361918, 12.1-RELEASE before p6, 11.4-STABLE before r361919, 11.3-RELEASE before p10, and 11.4-RC2 before p1, an invalid memory location may be used for HID items if the push/pop level is not restored within the processing of that HID item allowing an attacker with physical access to a USB port to be able to use a specially crafted USB device to gain kernel or user-space code execution.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.2–7.2
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
- n/a FreeBSD≤ FreeBSD 12.1-RELEASE before p6, 11.3-RELEASE before p10, and 11.4-RC2 before p1enisa_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-2020-7456cnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.asccnnvd
- https://security.freebsd.org/advisories/FreeBSD-SA-20:17.usb.ascPatchcnnvd
- https://security.netapp.com/advisory/ntap-20200625-0005/cnnvd
- https://vigilance.fr/vulnerability/FreeBSD-memory-corruption-via-USB-Human-Interface-Device-32487cnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascenisa_euvd
- https://security.netapp.com/advisory/ntap-20200625-0005/enisa_euvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:17.usb.ascPatchVendor Advisorynvd
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