CVE-2021-38112 json
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…
published 2021-09-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24585
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.5%
- EPSS 7.5% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- amazon aws_workspaces 3.1.9
Exploit prediction
7.48% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rhinosecuritylabs.com https://rhinosecuritylabs.com/aws/cve-2021-38112-aws-workspaces-rce/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-88 Improper Neutralization of Argument Delimiters in a Command
References
-
rhinosecuritylabs.com
/aws/cve-2021-38112-aws-workspaces-rce/
exploit, third-party-advisory
-
docs.aws.amazon.com
/workspaces/latest/userguide/amazon-workspaces-windows-client.html#windows-release-notes
vendor-advisory
Sources
- CVE List CVE-2021-38112
- NVD CVE-2021-38112
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