PT-2021-19540 · Mcafee · Mvision Edr

CVE-2021-31838 · Published 2021-06-29 · Updated 2026-02-24

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MVISION EDR versions prior to 3.4.0

Description A command injection issue allows an authenticated administrator to execute arbitrary commands through PowerShell using the 'execute reaction' functionality.

Recommendations For versions prior to 3.4.0, update to version 3.4.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the 'execute reaction' functionality until a patch is applied.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-31838

Affected Products

Mvision Edr

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-31838 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31838 · Vendor Advisory
• https://kc.mcafee.com/corporate/index?page=content&id=SB10342 · Note
• https://t.me/cvenotify/16797 · Telegram Post
• https://t.me/cvenotify/40222 · Telegram Post
• https://t.me/cveNotify/153025 · Telegram Post