CVE-2021-31838

CVSS v3 8.4 HIGH
CVSS v2.0 9.0 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.7 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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'.

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:mcafee:mvision_edr:*:*:*:*:*:*:*:*

History

24 Feb 2026, 17:27

Type	Values Removed	Values Added
Summary	(en) 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'.	(en) 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'.

21 Nov 2024, 06:06

Type	Values Removed	Values Added
References	~~() https://kc.mcafee.com/corporate/index?page=content&id=SB10342 -~~	() https://kc.mcafee.com/corporate/index?page=content&id=SB10342 -
CVSS	v2 : ~~9.0~~ v3 : ~~9.1~~	v2 : 9.0 v3 : 8.4

Information

Published : 2021-06-29 10:15

Updated : 2026-02-24 17:27

NVD link : CVE-2021-31838

Mitre link : CVE-2021-31838

CVE.ORG link : CVE-2021-31838

JSON object : View

Products Affected

mvision_edr

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2021-31838", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.7}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "published": "2021-06-29T10:15:08.543", "references": [{"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10342", "source": "[email protected]"}, {"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10342", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-78"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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'."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comandos en MVISION EDR (MVEDR) versiones anteriores a 3.4.0, permite a un administrador autenticado de MVEDR desencadenar el cliente EDR para ejecutar comandos arbitrarios a trav\u00e9s de PowerShell usando la funcionalidad EDR \"execute reaction\""}], "lastModified": "2026-02-24T17:27:22.603", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mcafee:mvision_edr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC388C24-ED63-4BF2-A118-470B6F0622DB", "versionEndExcluding": "3.4.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}