CVE-2021-38112: amazon aws_workspaces Argument Injection
CVSS: 9.3v2.0HighModified
Published 22-09-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38112 is a high (CVSS 9.3) Argument Injection vulnerability in amazon aws_workspaces. EPSS estimates a 7.48% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
7.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 22-09-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
7.48%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.48% on 18-09-2026
18-09-202618-10-2026
EPSS score7.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (rhinosecuritylabs.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Amazon1 product
- aws_workspaces≥ 3.0.10, < 3.1.9
1 vendor · 1 product
References
2 links- docs.aws.amazon.com/workspaces/latest/userguide/amazon-workspaces-windows-client.htmlX Refsource MISCVendor Advisory
- rhinosecuritylabs.com/aws/cve-2021-38112-aws-workspaces-rce/X Refsource MISCExploitThird Party Advisory