What’s Vulnerable › Vulnerabilities

CVE-2021-38112

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-22 · updated 2026-06-17
• Weakness: CWE-88

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.

Affected products

• Amazon Aws Workspaces: from 3.0.10 before 3.1.9 — fixed in 3.1.9

How to fix

Upgrade to a fixed version: Amazon Aws Workspaces 3.1.9. Check the vendor advisory for mitigations.

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/
• 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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