CVE-2021-23874 : Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain

Arbitrary Process Execution vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and execute arbitrary code bypassing MTP self-defense.

Published 2021-02-10 11:15:13

Updated 2024-07-25 17:53:02

Source Trellix

View at NVD, CVE.org

Vulnerability category: Execute code

CVE-2021-23874 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

McAfee Total Protection (MTP) Improper Privilege Management Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

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.

Notes:

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

Added on 2021-11-03 Action due date 2021-11-17

Exploit prediction scoring system (EPSS) score for CVE-2021-23874

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 45 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23874

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.2	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H	1.5	6.0	McAfee (DEFUNCT)
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: High
8.2	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H	1.5	6.0	Trellix	2024-07-25
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-23874

CWE-269 Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Assigned by:

psirt@mcafee.com (Secondary)
trellixpsirt@trellix.com (Secondary)

CWE-732 Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-23874

http://service.mcafee.com/FAQDocument.aspx?&id=TS103114

McAfee KB - McAfee Security Bulletin - McAfee Total Protection fixes four vulnerabilities (CVE-2021-23873, CVE-2021-23874, CVE-2021-23875, CVE-2021-23876) (TS103114)
Broken Link

CVEs referencing this url

Products affected by CVE-2021-23874