CVE-2019-3621 DLP Endpoint Windows lock screen bypass with physical access

Medium 6.8 Published Updated

A local attacker with physical access can bypass the Windows lock screen by killing McAfee DLP processes, compromising endpoint security controls.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-3621?

CVE-2019-3621 is a medium-severity authentication bypass vulnerability in McAfee, LLC Data Loss Prevention (DLPe) for Windows, published on 25 Jul 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Authentication protection bypass vulnerability in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.0 allows physical local user to bypass the Windows lock screen via DLPe processes being killed just prior to the screen being locked or when the screen is locked. The attacker requires physical access to the machine.

Which versions are affected by CVE-2019-3621?

It affects 1 product.

Products include Mcafee Data Loss Prevention Endpoint.

How do I fix CVE-2019-3621?

No fix has been published for CVE-2019-3621 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-3621 being exploited?

There is no known exploitation of CVE-2019-3621 in the wild and no public exploit code.

Sources

Also known as GHSA-jc2x-2479-3mxp.

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