VDB-169671 · CVE-2021-23874 · EUVD-2021-10800

McAfee Total Protection up to 16.0.29 MTP Self-Defense privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in McAfee Total Protection. It has been classified as critical. The impacted element is an unknown function of the component MTP Self-Defense. Performing a manipulation results in privileges management. This vulnerability is identified as CVE-2021-23874. The attack is only possible with local access. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in McAfee Total Protection. This affects an unknown code block of the component MTP Self-Defense. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/10/2021. It is possible to read the advisory at service.mcafee.com. This vulnerability is uniquely identified as CVE-2021-23874. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 11/17/2021:

Apply updates per vendor instructions.

Upgrading to version 16.0.30 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-10800). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

McAfee

Name

Total Protection

Version

License

commercial

Website

Vendor: https://www.mcafee.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (McAfee): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Total Protection 16.0.30

Timelineinfo

01/12/2021 🔍
02/10/2021 +29 days 🔍
02/10/2021 +0 days 🔍
07/29/2025 +1630 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: service.mcafee.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-23874 (🔍)
GCVE (CVE): GCVE-0-2021-23874
GCVE (VulDB): GCVE-100-169671
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/10/2021 21:18
Updated: 07/29/2025 03:23
Changes: 02/10/2021 21:18 (37), 02/27/2021 14:36 (6), 02/27/2021 14:42 (19), 04/21/2024 11:12 (27), 07/25/2024 20:16 (13), 09/12/2024 23:36 (1), 07/29/2025 03:23 (1)
Complete: 🔍
Cache ID: 216::103