How severe is CVE-2021-38112?

CVE-2021-38112 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38112?

CVE-2021-38112 affects Amazon Aws Workspaces. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38112?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-38112 published?

CVE-2021-38112 was published on 2021-09-22 and last updated on 2026-06-17.

CVE-2021-38112

CVE-2021-38112 is a high-severity vulnerability in Amazon Aws Workspaces with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Amazon Aws Workspaces
Published: 2021-09-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 code execution because of the Chromium Embedded Framework (CEF) --gpu-launcher argument. This is fixed in 3.1.9.
How severe is CVE-2021-38112?: CVE-2021-38112 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38112?: CVE-2021-38112 affects Amazon Aws Workspaces. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-38112 published?: CVE-2021-38112 was published on 2021-09-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:aws_workspaces:*:*:*:*:*:windows:*:*

Other CWE-88 (Argument Injection) vulnerabilities

CVE-2026-57572 — Critical (CVSS 10.0): Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server accepted…
CVE-2026-40281 — Critical (CVSS 10.0): Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint…
CVE-2023-6269 — Critical (CVSS 10.0): An argument injection vulnerability has been identified in the administrative web interface of the Atos Unify…
CVE-2007-0882 — Critical (CVSS 10.0): Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11)…
CVE-2004-0480 — Critical (CVSS 10.0): Argument injection vulnerability in IBM Lotus Notes 6.0.3 and 6.5 allows remote attackers to execute arbitrary code via…
CVE-1999-0113 — Critical (CVSS 10.0): Some implementations of rlogin allow root access if given a -froot parameter.

Browse all CWE-88 (Argument Injection) vulnerabilities →