# CVE-2023-48376: SmartStar Software CWS Web-Base - Arbitrary File Upload

> Unauthenticated attackers can upload arbitrary files to SmartStar CWS Web-Base, enabling remote code execution or service disruption.

- **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:** 15 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-4q3r-q67v-jf47

## What is CVE-2023-48376?

CVE-2023-48376 is a critical vulnerability in SmartStar Software CWS Web-Base, published on 15 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SmartStar Software CWS is a web-based integration platform, its file uploading function does not restrict upload of file with dangerous type. An unauthenticated remote attacker can exploit this vulnerability to upload arbitrary files to perform arbitrary command or disrupt service.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-48376?

It affects 1 product.


Products: Csharp Cws Collaborative Development Platform.

## How do I fix CVE-2023-48376?

No fix has been published for CVE-2023-48376 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-48376 being exploited?

There is no known exploitation of CVE-2023-48376 in the wild and no public exploit code.

## Other vulnerabilities in SmartStar Software CWS Web-Base

- [CVE-2023-48375](https://insights.sbomify.com/CVE-2023-48375/): SmartStar Software CWS Web-Base - Broken Access Control (high 8.8)
- [CVE-2023-48374](https://insights.sbomify.com/CVE-2023-48374/): SmartStar Software CWS Web-Base - Use of Hard-coded Credentials (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-48376 and fix it if it is affected.

What it is: CVE-2023-48376 is a critical vulnerability in SmartStar Software CWS Web-Base, published on 15 Dec 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-2023-48376 in the wild and no public exploit code.

Affected product: SmartStar Software CWS Web-Base. 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-2023-48376/ (Markdown: https://insights.sbomify.com/CVE-2023-48376/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-48376
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-48376
- OSV: https://osv.dev/vulnerability/CVE-2023-48376

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-48376/
Summaries are generated and may contain mistakes; the official description above is the record.