High severity8.8NVD Advisory· Published Dec 7, 2021· Updated Jun 17, 2026
CVE-2021-42683
CVE-2021-42683
Description
A Buffer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. 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.
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Affected products
3(expand)+ 2 more
- (no CPE)
- (no CPE)range: <3.2.8.200
- cpe:2.3:a:accops:hyworks_windows_client:*:*:*:*:*:*:*:*range: <3.2.8.200
Patches
Vulnerability mechanics
References
1- www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/nvdExploitTechnical DescriptionThird Party Advisory
News mentions
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