Read the docs
TI-2021-11832 Aliases CVE-2021-31838GHSA-hg4j-hgh6-fp6f

Command injection through environment variable in MVISION EDR

Priority MEDIUM 43CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality 'execute reaction'.

Why it matters now

EPSS 0.02087 81st percentileScored 2026-11-07
Fix Fixed MVISION EDR (McAfee,LLC): 3.4.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMVISION EDRbefore 3.4.03.4.0Patch availableCNA
  • MVISION EDR VendorMcAfee Affected before 3.4.0 Fixed in 3.4.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:mvision_edr:*:*:*:*:*:*:*:*before 3.4.0VulnerableMcAfee
  • cpe:2.3:a:mcafee:mvision_edr:*:*:*:*:*:*:*:* Versions before 3.4.0 Vulnerable ·McAfee

Remediation

  • Fix · CNA MVISION EDR (McAfee,LLC) Fixed in 3.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31838
  2. 2026-10-03 Alias added: GHSA-hg4j-hgh6-fp6f

References

Sources