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CVE-2021-23887

HIGH
Published 2021-04-15T07:55:15
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Expert Analysis

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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.088
Higher than 8.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

McAfee,LLC

McAfee Data Loss Prevention (DLP) Endpoint for Windows

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-gjh7-83g9-wq47

Advisory Details

Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting them when they are monitored by McAfee DLP through the hdlphook driver.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-23887
WEB https://kc.mcafee.com/corporate/index?page=content&id=SB10354
WEB https://kc.mcafee.com/corporate/index?page=content&id=SB10357

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: November 15, 2023

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10354
https://kc.mcafee.com/corporate/index?page=content&id=SB10357
Published: 2021-04-15T07:55:15
Last Modified: 2024-08-03T19:14:09.191Z
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