# CVE-2023-3767: OS command injection on EasyPHP Webserver

> An attacker can execute arbitrary OS commands on EasyPHP Webserver via a crafted request to the settings parameter, gaining full system access.

- **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:** 26 Sep 2023
- **Updated:** 24 Sep 2024
- **Also known as:** GHSA-2v7x-3r8r-xgw9

## What is CVE-2023-3767?

CVE-2023-3767 is a critical command injection vulnerability in EasyPHP Webserver, published on 26 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An OS command injection vulnerability has been found on EasyPHP  Webserver affecting version 14.1. This vulnerability could allow an attacker to get full access to the system by sending a specially crafted exploit to the /index.php?zone=settings parameter.

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

## Which versions are affected by CVE-2023-3767?

It affects 1 product.


Products: Easyphp Webserver.

## How do I fix CVE-2023-3767?

No fix has been published for CVE-2023-3767 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3767 being exploited?

There is no known exploitation of CVE-2023-3767 in the wild and no public exploit code.

## Other vulnerabilities in EasyPHP Webserver

- [CVE-2023-53941](https://insights.sbomify.com/CVE-2023-53941/): EasyPHP Webserver 14.1 Remote Code Execution (critical 9.3)
- [CVE-2023-53944](https://insights.sbomify.com/CVE-2023-53944/): EasyPHP Webserver 14.1 Path Traversal via Directory Traversal Sequences (high 7.1)
- [CVE-2024-11215](https://insights.sbomify.com/CVE-2024-11215/): Path traversal vulnerability in EasyPHP (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3767 and fix it if it is affected.

What it is: CVE-2023-3767 is a critical command injection vulnerability in EasyPHP Webserver, published on 26 Sep 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-2023-3767 in the wild and no public exploit code.

Affected product: EasyPHP Webserver. 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-2023-3767/ (Markdown: https://insights.sbomify.com/CVE-2023-3767/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3767
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3767
- OSV: https://osv.dev/vulnerability/CVE-2023-3767

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3767/
Summaries are generated and may contain mistakes; the official description above is the record.