CVE-2021-42993

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p40

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

Description

FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 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: flexihub
Products: flexihub
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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