# CVE-2018-18390: Information disclosure in ThingsPro IIoT Gateway and Device Management Software Solutions

> Attackers can enumerate valid user accounts in Moxa ThingsPro IIoT Gateway software, potentially facilitating further targeted attacks.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Oct 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-4x86-8248-2g8x

## What is CVE-2018-18390?

CVE-2018-18390 is a high-severity vulnerability in Moxa ThingsPro IIoT Gateway and Device Management Software Solutions, published on 19 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

User Enumeration in Moxa ThingsPro IIoT Gateway and Device Management Software Solutions version 2.1.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2018-18390?

It affects 1 product.


Products: Moxa Thingspro.

## How do I fix CVE-2018-18390?

No fix has been published for CVE-2018-18390 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-18390 being exploited?

There is no known exploitation of CVE-2018-18390 in the wild and no public exploit code.

## Other vulnerabilities in Moxa ThingsPro IIoT Gateway and Device Management Software Solutions

- [CVE-2018-18393](https://insights.sbomify.com/CVE-2018-18393/): Hardcoded credentials in ThingsPro IIoT Gateway and Device Management Software Solutions (critical 9.8)
- [CVE-2018-18394](https://insights.sbomify.com/CVE-2018-18394/): Information disclosure in ThingsPro IIoT Gateway and Device Management Software Solutions (critical 9.8)
- [CVE-2018-18395](https://insights.sbomify.com/CVE-2018-18395/): Information disclosure in ThingsPro IIoT Gateway and Device Management Software Solutions (critical 9.8)
- [CVE-2018-18396](https://insights.sbomify.com/CVE-2018-18396/): Code injection in ThingsPro IIoT Gateway and Device Management Software Solutions (critical 9.8)
- [CVE-2018-18391](https://insights.sbomify.com/CVE-2018-18391/): Privilege escalation in ThingsPro IIoT Gateway and Device Management Software Solutions (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-18390 and fix it if it is affected.

What it is: CVE-2018-18390 is a high-severity vulnerability in Moxa ThingsPro IIoT Gateway and Device Management Software Solutions, published on 19 Oct 2018. 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-2018-18390 in the wild and no public exploit code.

Affected product: Moxa ThingsPro IIoT Gateway and Device Management Software Solutions. 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-2018-18390/ (Markdown: https://insights.sbomify.com/CVE-2018-18390/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-18390
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18390
- OSV: https://osv.dev/vulnerability/CVE-2018-18390

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-18390/
Summaries are generated and may contain mistakes; the official description above is the record.