CVE-2021-31838

Command injection through environment variable in MVISION EDR

Description

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'.

Category

8.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Affected: McAfee,LLC MVISION EDR
Published at:
Updated at:

References

Link Tags
https://kc.mcafee.com/corporate/index?page=content&id=SB10342

Frequently Asked Questions

What is the severity of CVE-2021-31838?
CVE-2021-31838 has been scored as a high severity vulnerability.
How to fix CVE-2021-31838?
To fix CVE-2021-31838, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31838 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31838 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31838?
CVE-2021-31838 affects McAfee,LLC MVISION EDR.
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