CVE-2021-42681: Accops Hyworks Dvm Tools

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerability exists in Accops HyWorks DVM Tools prior to v3.3.1.105. The IOCTL Handler 0x22001B 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.

Affected products

• Accops Hyworks Dvm Tools: before 3.3.1.105 (fixed in 3.3.1.105)

Published 2021-12-07. Last modified 2026-06-17.