CVE-2021-43637

Published: Dec 7, 2021Modified: Jun 17, 2026

8.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitability: 2.0 / Impact: 6.0

Source: NVD

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.

Affected (1)

Products: Amazon: Workspaces

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Amazon Workspaces	Before 1.0.1.1537

Related CWEs

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/

Source: cve@mitre.org

ExploitTechnical DescriptionThird Party Advisory

https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitTechnical DescriptionThird Party Advisory

Timeline

No history available yet.