CVE-2021-23893 Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)

High 8.8 Published Updated

A local non-admin user can gain elevated system privileges by exploiting an unutilized memory buffer in the McAfee Drive Encryption Windows system driver.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-23893?

CVE-2021-23893 is a high-severity vulnerability in McAfee,LLC McAfee Drive Encryption (MDE), published on 1 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.

Weakness: CWE-269

Which versions are affected by CVE-2021-23893?

It affects 1 product.

Products include Mcafee Drive Encryption.

How do I fix CVE-2021-23893?

No fix has been published for CVE-2021-23893 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-23893 being exploited?

There is no known exploitation of CVE-2021-23893 in the wild and no public exploit code.

Sources

Also known as GHSA-67v5-xf35-5v2f.

Is CVE-2021-23893 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free