# CVE-2023-40049: WS_FTP Server Information Disclosure via Directory Listing

> Unauthenticated attackers can enumerate files in the WebServiceHost directory, exposing sensitive file names and structure.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:** 27 Sep 2023
- **Updated:** 24 Sep 2024
- **Also known as:** GHSA-3c55-6x27-8w5g

## What is CVE-2023-40049?

CVE-2023-40049 is a medium-severity vulnerability in Progress Software Corporation WS_FTP Server, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

In WS_FTP Server version prior to 8.8.2,

 an unauthenticated user could enumerate files under the 'WebServiceHost' directory listing.

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

## Which versions are affected by CVE-2023-40049?

It affects 1 product.


Products: Progress Ws Ftp Server.

## How do I fix CVE-2023-40049?

No fix has been published for CVE-2023-40049 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-40049 being exploited?

There is no known exploitation of CVE-2023-40049 in the wild and no public exploit code.

## Other vulnerabilities in Progress Software Corporation WS_FTP Server

- [CVE-2023-40044](https://insights.sbomify.com/CVE-2023-40044/): Progress WS_FTP Server Deserialization of Untrusted Data (critical 10.0, exploited in the wild)
- [CVE-2023-42657](https://insights.sbomify.com/CVE-2023-42657/): WS_FTP Server Directory Traversal (critical 9.9)
- [CVE-2023-42659](https://insights.sbomify.com/CVE-2023-42659/): WS_FTP Server Arbitrary File Upload (critical 9.1)
- [CVE-2008-0590](https://insights.sbomify.com/CVE-2008-0590/): Memory corruption in n/a (critical 9.0)
- [CVE-2023-40045](https://insights.sbomify.com/CVE-2023-40045/): WS_FTP Server Ad Hoc Transfer Module Reflected Cross-Site Scripting Vulnerability (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-40049 and fix it if it is affected.

What it is: CVE-2023-40049 is a medium-severity vulnerability in Progress Software Corporation WS_FTP Server, published on 27 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-2023-40049 in the wild and no public exploit code.

Affected product: Progress Software Corporation WS_FTP Server. 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-2023-40049/ (Markdown: https://insights.sbomify.com/CVE-2023-40049/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-40049
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-40049
- OSV: https://osv.dev/vulnerability/CVE-2023-40049

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-40049/
Summaries are generated and may contain mistakes; the official description above is the record.