CVE-2021-43637

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p39

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

Description

Amazon WorkSpaces agent is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 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: amazon
Products: workspaces
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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