# CVE-2023-28697: Moxa MiiNePort E1 - Broken Access Control

> Unauthenticated remote attackers can perform arbitrary system operations or disrupt services on Moxa MiiNePort E1 devices due to insufficient access control.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Apr 2023
- **Updated:** 31 Jan 2025
- **Also known as:** GHSA-vj73-r662-h884

## What is CVE-2023-28697?

CVE-2023-28697 is a critical missing authorization vulnerability in Moxa MiiNePort E1, published on 27 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Moxa MiiNePort E1 has a vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to perform arbitrary system operation or disrupt service.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2023-28697?

It affects 1 product.


Products: Moxa Miineport E1 Firmware.

## How do I fix CVE-2023-28697?

No fix has been published for CVE-2023-28697 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28697 being exploited?

There is no known exploitation of CVE-2023-28697 in the wild and no public exploit code.

## Other vulnerabilities in Moxa MiiNePort E1

- [CVE-2016-9344](https://insights.sbomify.com/CVE-2016-9344/): Information disclosure in Moxa MiiNePort (high 7.5)
- [CVE-2016-9346](https://insights.sbomify.com/CVE-2016-9346/): Information disclosure in Moxa MiiNePort (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28697 and fix it if it is affected.

What it is: CVE-2023-28697 is a critical missing authorization vulnerability in Moxa MiiNePort E1, published on 27 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28697 in the wild and no public exploit code.

Affected product: Moxa MiiNePort E1. 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-2023-28697/ (Markdown: https://insights.sbomify.com/CVE-2023-28697/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28697
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28697
- OSV: https://osv.dev/vulnerability/CVE-2023-28697

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28697/
Summaries are generated and may contain mistakes; the official description above is the record.