# CVE-2018-6664: Security feature bypass in Data Loss Prevention (DLP) Endpoint

> Authenticated users can bypass McAfee DLP Endpoint application protections using a command-line utility, undermining data loss prevention controls.

- **Severity:** Medium 5.8 (`CVSS:3.0/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 May 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-9h7x-wv5p-55q4

## What is CVE-2018-6664?

CVE-2018-6664 is a medium-severity vulnerability in McAfee Data Loss Prevention (DLP) Endpoint, published on 25 May 2018. 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

Application Protections Bypass vulnerability in Microsoft Windows in McAfee Data Loss Prevention (DLP) Endpoint before 10.0.500 and DLP Endpoint before 11.0.400 allows authenticated users to bypass the product block action via a command-line utility.

Weakness: CWE-347 (Improper Verification of Cryptographic Signature)

## Which versions are affected by CVE-2018-6664?

It affects 1 product.


Products: Mcafee Data Loss Prevention Endpoint.

## How do I fix CVE-2018-6664?

No fix has been published for CVE-2018-6664 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-6664 being exploited?

There is no known exploitation of CVE-2018-6664 in the wild and no public exploit code.

## Other vulnerabilities in McAfee Data Loss Prevention (DLP) Endpoint

- [CVE-2021-31848](https://insights.sbomify.com/CVE-2021-31848/): Data Loss Prevention (DLP) ePO extension - Cross site scripting (XSS) (high 8.4)
- [CVE-2021-31849](https://insights.sbomify.com/CVE-2021-31849/): Data Loss Prevention (DLP) ePO extension - SQL injection (high 8.4)
- [CVE-2021-31844](https://insights.sbomify.com/CVE-2021-31844/): Local Privilege Escalation in McAfee DLP Endpoint for Windows (high 8.2)
- [CVE-2021-23887](https://insights.sbomify.com/CVE-2021-23887/): Privilege escalation in McAfee DLP Endpoint for Windows (high 7.8)
- [CVE-2016-8012](https://insights.sbomify.com/CVE-2016-8012/): Privilege escalation in Data Loss Prevention Endpoint (DLPe) (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-6664 and fix it if it is affected.

What it is: CVE-2018-6664 is a medium-severity vulnerability in McAfee Data Loss Prevention (DLP) Endpoint, published on 25 May 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-6664 in the wild and no public exploit code.

Affected product: McAfee Data Loss Prevention (DLP) Endpoint. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2018-6664/ (Markdown: https://insights.sbomify.com/CVE-2018-6664/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-6664
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-6664
- OSV: https://osv.dev/vulnerability/CVE-2018-6664

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-6664/
Summaries are generated and may contain mistakes; the official description above is the record.