Vulnerability Database

317,182

Total vulnerabilities in the database

CVE-2021-31847

Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.

  • Published: Sep 22, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-31847
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.2
  • AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
mcafee / agent - 5.7.4