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CVE-2021-31838

CRITICALCVSS 9.1/10EPSS 2.05%

Last modified

CVE-2021-31838 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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'.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.

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'.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
2.05%

78.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
McafeeMvision Edr< 3.4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31838?
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'.
How severe is CVE-2021-31838?
CVE-2021-31838 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31838?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31838?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST