CVE-2021-42987

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p40

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

Description

Eltima USB Network Gate is affected by Integer Overflow. IOCTL Handler 0x22001B in the USB Network Gate above 7.0.1370 below 9.2.2420 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

Vendors: eltima
Products: usb network gate
Weakness: CWE-190
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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