CVE-2021-42990

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p39

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

Description

FlexiHub For Windows is affected by Buffer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allows 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-120
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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