# CVE-2020-18048: Command injection in n/a

> Attackers can execute arbitrary commands via crafted input in the DB Name field of CraigMS, requiring immediate attention from administrators.

- **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:** 2 Sep 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-5jgm-qr8m-qj44

## What is CVE-2020-18048?

CVE-2020-18048 is a critical command injection vulnerability in n/a, published on 2 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue in craigms/main.php of CraigMS 1.0 allows attackers to execute arbitrary commands via a crafted input entered into the DB Name field.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2020-18048?

It affects 1 product.


Products: Bertanddip Craigms.

## How do I fix CVE-2020-18048?

No fix has been published for CVE-2020-18048 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-18048 being exploited?

There is no known exploitation of CVE-2020-18048 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-18048 and fix it if it is affected.

What it is: CVE-2020-18048 is a critical command injection vulnerability in n/a, published on 2 Sep 2021. 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-2020-18048 in the wild and no public exploit code.

Affected product: n/a. 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-2020-18048/ (Markdown: https://insights.sbomify.com/CVE-2020-18048/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-18048
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-18048
- OSV: https://osv.dev/vulnerability/CVE-2020-18048

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-18048/
Summaries are generated and may contain mistakes; the official description above is the record.