CVE-2021-23874

McAfee McAfee Total Protection (MTP) — McAfee Total Protection (MTP) Improper Privilege Management Vulnerability
⚠️ CVSS 3.1  8.2 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense.

https://nvd.nist.gov/vuln/detail/CVE-2021-23874

Key Details

PropertyValue
CVE ID CVE-2021-23874
Vendor / Product McAfee — McAfee Total Protection (MTP)
NVD Published2021-02-10
NVD Last Modified2025-11-03
CVSS 3.1 Score8.2
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
SeverityHIGH
CWE CWE-269
CISA KEV Added2021-11-03
CISA KEV Deadline2021-11-17
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2021-11-17. Apply updates per vendor instructions.

Timeline

DateEvent
2021-11-03Added to CISA Known Exploited Vulnerabilities catalog
2021-11-17CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2021-23874 Vulnerability Database
CISA KEV Catalog Entry US Government