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CVE-2021-23887

7.8 · HIGH
Published Apr 15, 2021 mcafee CWE-269 EPSS 0.22% (12th pctl)

Overview

CVE-2021-23887 is a high-severity vulnerability affecting mcafee data_loss_prevention_endpoint. It was published on April 15, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from mcafee. Update data_loss_prevention_endpoint to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
mcafee data_loss_prevention_endpoint >= 0, < 11.6.100.41 Affected

Frequently Asked Questions

What is CVE-2021-23887?

CVE-2021-23887 is a high-severity vulnerability affecting mcafee data_loss_prevention_endpoint. It was published on April 15, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-23887?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-23887?

Check the references section for vendor advisories and patches from mcafee. Update data_loss_prevention_endpoint to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-23887?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-23887 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.