# CVE-2020-7814: File upload in RAON KUpload

> Attackers can upload malicious files to RAON KUpload due to insufficient extension validation, leading to remote code execution.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Jul 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-fjfg-mw6f-pr6w

## What is CVE-2020-7814?

CVE-2020-7814 is a high-severity vulnerability in RAONWIZ RAON KUpload, published on 10 Jul 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

RAONWIZ v2018.0.2.50 and eariler versions contains a vulnerability that could allow remote files to be downloaded and excuted by lack of validation to file extension, witch can used as remote-code-excution attacks by hackers File download & execution vulnerability in ____COMPONENT____ of RAONWIZ RAON KUpload allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: RAONWIZ RAON KUpload 2018.0.2.50 versions prior to 2018.0.2.51 on Windows.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2020-7814?

It affects 1 product.


Products: Raonwiz Raon K Upload.

## How do I fix CVE-2020-7814?

No fix has been published for CVE-2020-7814 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-7814 being exploited?

There is no known exploitation of CVE-2020-7814 in the wild and no public exploit code.

## Other vulnerabilities in RAONWIZ RAON KUpload

- [CVE-2020-7863](https://insights.sbomify.com/CVE-2020-7863/): Raonwiz RAON K Upload Arbitrary Command Execution Vulnerability (high 8.8)
- [CVE-2020-7808](https://insights.sbomify.com/CVE-2020-7808/): RAONWIZ Inc K Upload, arguments modiffication via missing support for integrity check vulnerability (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-7814 and fix it if it is affected.

What it is: CVE-2020-7814 is a high-severity vulnerability in RAONWIZ RAON KUpload, published on 10 Jul 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-7814 in the wild and no public exploit code.

Affected product: RAONWIZ RAON KUpload. 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-2020-7814/ (Markdown: https://insights.sbomify.com/CVE-2020-7814/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-7814
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-7814
- OSV: https://osv.dev/vulnerability/CVE-2020-7814

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-7814/
Summaries are generated and may contain mistakes; the official description above is the record.