CVE-2021-31840 HIGH

CVE-2021-31840: DLL preload vulnerability in McAfee Agent for Windows

Vendor Mcafee,Llc
Product McAfee Agent for Windows
Weakness CWE-427
Published June 10, 2021
Last update August 3, 2024

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the preloading mechanism of specific dynamic link libraries in McAfee Agent for Windows prior to 5.7.3 could allow an authenticated, local attacker to perform a DLL preloading attack with unsigned DLLs. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. This would result in the user gaining elevated permissions and being able to execute arbitrary code.

Key dates

02Disclosure timeline

June 10, 2021 CVE published
August 3, 2024 Record updated