# CVE-2020-29441: File upload in n/a

> Unauthenticated attackers can upload arbitrary files in OutSystems Platform, potentially causing denial of service or data corruption.

- **Severity:** High 7.2 (`CVSS:3.1/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:C/UI:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-3xv5-g593-pv7f

## What is CVE-2020-29441?

CVE-2020-29441 is a high-severity vulnerability in n/a, published on 30 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue was discovered in the Upload Widget in OutSystems Platform 10 before 10.0.1019.0. An unauthenticated attacker can upload arbitrary files. In some cases, this attack may consume the available database space (Denial of Service), corrupt legitimate data if files are being processed asynchronously, or deny access to legitimate uploaded files.

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

## Which versions are affected by CVE-2020-29441?

It affects 1 product.


Products: Outsystems Outsystems.

## How do I fix CVE-2020-29441?

No fix has been published for CVE-2020-29441 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-29441 being exploited?

There is no known exploitation of CVE-2020-29441 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2019-12273](https://insights.sbomify.com/CVE-2019-12273/): Cross-site request forgery in n/a (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-29441 and fix it if it is affected.

What it is: CVE-2020-29441 is a high-severity vulnerability in n/a, published on 30 Nov 2020. 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-2020-29441 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-2020-29441/ (Markdown: https://insights.sbomify.com/CVE-2020-29441/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-29441
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-29441
- OSV: https://osv.dev/vulnerability/CVE-2020-29441

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-29441/
Summaries are generated and may contain mistakes; the official description above is the record.