# CVE-2020-7333: Cross-site Scripting (XSS) in firewall ePO extension of McAfee Endpoint Security (ENS)

> Administrators can inject arbitrary web script or HTML via the configuration wizard in the firewall ePO extension of McAfee Endpoint Security.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 12 Nov 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-hr73-3j7j-8v7h

## What is CVE-2020-7333?

CVE-2020-7333 is a medium-severity cross-site scripting vulnerability in Mcafee, LLC Endpoint Security for Windows, published on 12 Nov 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Cross site scripting vulnerability in the firewall ePO extension of McAfee Endpoint Security (ENS) prior to 10.7.0 November 2020 Update allows administrators to inject arbitrary web script or HTML via the configuration wizard.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2020-7333?

It affects 1 product.


Products: Mcafee Endpoint Security.

## How do I fix CVE-2020-7333?

No fix has been published for CVE-2020-7333 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7333 being exploited?

There is no known exploitation of CVE-2020-7333 in the wild and no public exploit code.

## Other vulnerabilities in Mcafee, LLC Endpoint Security for Windows

- [CVE-2020-7319](https://insights.sbomify.com/CVE-2020-7319/): Improper Access Control Vulnerability in ENS for Windows (high 8.8)
- [CVE-2020-7264](https://insights.sbomify.com/CVE-2020-7264/): Privilege Escalation vulnerability through symbolic links in ENS for Windows (high 8.8)
- [CVE-2020-7265](https://insights.sbomify.com/CVE-2020-7265/): Privilege Escalation vulnerability through symbolic links in ENSM (high 8.8)
- [CVE-2019-3582](https://insights.sbomify.com/CVE-2019-3582/): McAfee Endpoint Security updates fix a privilege escalation vulnerability (high 8.6)
- [CVE-2020-7257](https://insights.sbomify.com/CVE-2020-7257/): Privilege Escalation vulnerability through Symbolic links in ENS (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7333 and fix it if it is affected.

What it is: CVE-2020-7333 is a medium-severity cross-site scripting vulnerability in Mcafee, LLC Endpoint Security for Windows, published on 12 Nov 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-7333 in the wild and no public exploit code.

Affected product: Mcafee, LLC Endpoint Security 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-2020-7333/ (Markdown: https://insights.sbomify.com/CVE-2020-7333/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7333
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7333
- OSV: https://osv.dev/vulnerability/CVE-2020-7333

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7333/
Summaries are generated and may contain mistakes; the official description above is the record.