# CVE-2020-7327: McAfee MVEDR - Improperly implemented security check

> Local administrators can bypass security controls by stopping a core service, allowing malicious code execution on endpoints running McAfee MVISION EDR.

- **Severity:** Medium 6.0 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Oct 2020
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-32qr-wxh8-6rv5

## What is CVE-2020-7327?

CVE-2020-7327 is a medium-severity vulnerability in McAfee,LLC McAfee MVISION Endpoint Detection and Response, published on 15 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Improperly implemented security check in McAfee MVISION Endpoint Detection and Response Client (MVEDR) prior to 3.2.0 may allow local administrators to execute malicious code via stopping a core Windows service leaving McAfee core trust component in an inconsistent state resulting in MVEDR failing open rather than closed

Weakness: CWE-290 (Authentication Bypass by Spoofing)

## Which versions are affected by CVE-2020-7327?

It affects 1 product.


Products: Mcafee Mvision Endpoint Detection and Response.

## How do I fix CVE-2020-7327?

No fix has been published for CVE-2020-7327 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7327 being exploited?

There is no known exploitation of CVE-2020-7327 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7327 and fix it if it is affected.

What it is: CVE-2020-7327 is a medium-severity vulnerability in McAfee,LLC McAfee MVISION Endpoint Detection and Response, published on 15 Oct 2020. 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-2020-7327 in the wild and no public exploit code.

Affected product: McAfee,LLC McAfee MVISION Endpoint Detection and Response. 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-2020-7327/ (Markdown: https://insights.sbomify.com/CVE-2020-7327/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7327
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7327
- OSV: https://osv.dev/vulnerability/CVE-2020-7327

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7327/
Summaries are generated and may contain mistakes; the official description above is the record.