CVE-2021-31841

DLL side loading vulnerability in MA for Windows

HIGH
7.3
CVSS Score
Published: September 22, 2021 at 01:25 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
1 product affected across 1 vendorMcAfee Agent

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Severity
HIGH7.3
Exploit prediction
EPSS 0.2%

Description

A DLL sideloading vulnerability in McAfee Agent for Windows prior to 5.7.4 could allow a local user to perform a DLL sideloading attack with an unsigned DLL with a specific name and in a specific location. This would result in the user gaining elevated permissions and the ability to execute arbitrary code as the system user, through not checking the DLL signature.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.7.4
Affected range stops below 5.7.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347CWE-426

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