CVE-2021-43638

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p43

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

Description

Amazon Amazon WorkSpaces agent is affected by Integer 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-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%)

In the news0 stories

No ingested article mentions this CVE yet.