# CVE-2018-0539: Command injection in QQQ SYSTEMS

> Attackers can execute arbitrary commands on QQQ SYSTEMS, potentially compromising the system integrity.

- **Severity:** Critical 9.8 (`CVSS:3.0/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:** 22 Mar 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-qqrx-328r-mg5p

## What is CVE-2018-0539?

CVE-2018-0539 is a critical command injection vulnerability in Gundam Cult QQQ QQQ SYSTEMS, published on 22 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

QQQ SYSTEMS version 2.24 allows an attacker to execute arbitrary commands via unspecified vectors.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2018-0539?

It affects 1 product.


Products: Qqq Systems Project Qqq Systems.

## How do I fix CVE-2018-0539?

No fix has been published for CVE-2018-0539 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0539 being exploited?

There is no known exploitation of CVE-2018-0539 in the wild and no public exploit code.

## Other vulnerabilities in Gundam Cult QQQ QQQ SYSTEMS

- [CVE-2018-0536](https://insights.sbomify.com/CVE-2018-0536/): Cross-site scripting in QQQ SYSTEMS (medium 6.1)
- [CVE-2018-0537](https://insights.sbomify.com/CVE-2018-0537/): Cross-site scripting in QQQ SYSTEMS (medium 6.1)
- [CVE-2018-0538](https://insights.sbomify.com/CVE-2018-0538/): Cross-site scripting in QQQ SYSTEMS (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0539 and fix it if it is affected.

What it is: CVE-2018-0539 is a critical command injection vulnerability in Gundam Cult QQQ QQQ SYSTEMS, published on 22 Mar 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-2018-0539 in the wild and no public exploit code.

Affected product: Gundam Cult QQQ QQQ SYSTEMS. 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-2018-0539/ (Markdown: https://insights.sbomify.com/CVE-2018-0539/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0539
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0539
- OSV: https://osv.dev/vulnerability/CVE-2018-0539

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-0539/
Summaries are generated and may contain mistakes; the official description above is the record.