# CVE-2020-7346: Privilege escalation in McAfee DLP Endpoint for Windows

> A local low-privileged attacker can escalate privileges by using junctions to force the McAfee DLP Endpoint to load malicious DLLs.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Mar 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-v35m-j976-rqv4

## What is CVE-2020-7346?

CVE-2020-7346 is a high-severity vulnerability in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows, published on 23 Mar 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 McAfee Data Loss Prevention (DLP) for Windows prior to 11.6.100 allows a local, low privileged, attacker through the use of junctions to cause the product to load DLLs of the attacker's choosing. This requires the creation and removal of junctions by the attacker along with sending a specific IOTL command at the correct time.

Weakness: CWE-59 (Improper Link Resolution Before File Access)

## Which versions are affected by CVE-2020-7346?

It affects 1 product.


Products: Mcafee Data Loss Prevention.

## How do I fix CVE-2020-7346?

No fix has been published for CVE-2020-7346 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7346 being exploited?

There is no known exploitation of CVE-2020-7346 in the wild and no public exploit code.

## Other vulnerabilities in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows

- [CVE-2021-4088](https://insights.sbomify.com/CVE-2021-4088/): Blind SQL injection in DLP ePO extension (high 8.4)
- [CVE-2020-7304](https://insights.sbomify.com/CVE-2020-7304/): DLP ePO extension - Cross-site request forgery (high 7.6)
- [CVE-2020-7305](https://insights.sbomify.com/CVE-2020-7305/): DLP ePO extension - Privilege escalation (medium 6.7)
- [CVE-2020-7302](https://insights.sbomify.com/CVE-2020-7302/): DLP ePO extension - Unrestricted Upload of File with Dangerous Type (medium 5.4)
- [CVE-2021-31832](https://insights.sbomify.com/CVE-2021-31832/): Cross site scripting vulnerability in DLP Endpoint for Windows (medium 5.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7346 and fix it if it is affected.

What it is: CVE-2020-7346 is a high-severity vulnerability in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows, published on 23 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-7346 in the wild and no public exploit code.

Affected product: McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows. 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-2020-7346/ (Markdown: https://insights.sbomify.com/CVE-2020-7346/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7346
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7346
- OSV: https://osv.dev/vulnerability/CVE-2020-7346

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7346/
Summaries are generated and may contain mistakes; the official description above is the record.