VULNERABILITY INTELLIGENCE

CVE-2021-31847

CVSS score8.2 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2021-09-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Description

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.

Weakness classification

  • trellixpsirt@trellix.com: CWE-269
  • nvd@nist.gov: CWE-427

Primary references