# CVE-2024-4712: Arbitrary File Creation in PaperCut NG/MF Web Print Image Handler

> Attackers can create arbitrary files via the Web Print image handler on Windows servers, leading to local privilege escalation.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 May 2024
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-j448-jqj7-gh7x

## What is CVE-2024-4712?

CVE-2024-4712 is a high-severity vulnerability in PaperCut NG, PaperCut MF, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

An arbitrary file creation vulnerability exists in PaperCut NG/MF that only affects Windows servers with Web Print enabled. This specific flaw exists within the image-handler process, which can incorrectly create files that don’t exist when a maliciously formed payload is provided. This can lead to local privilege escalation.

Note: 

This CVE has been split into two (CVE-2024-4712 and CVE-2024-8405) and it’s been rescored with a "Privileges Required (PR)" rating of low, and “Attack Complexity (AC)” rating of low, reflecting the worst-case scenario where an Administrator has granted local login access to standard network users on the host server.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2024-4712?

It affects 2 products.


Products: Papercut Papercut Mf, Papercut Papercut Ng.

## How do I fix CVE-2024-4712?

No fix has been published for CVE-2024-4712 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-4712 being exploited?

There is no known exploitation of CVE-2024-4712 in the wild and no public exploit code.

## Other vulnerabilities in PaperCut NG, PaperCut MF

- [CVE-2023-27350](https://insights.sbomify.com/CVE-2023-27350/): PaperCut MF/NG Improper Access Control (critical 9.8, exploited in the wild)
- [CVE-2026-82078](https://insights.sbomify.com/CVE-2026-82078/): PaperCut NG/MF Unsafe Reflection (critical 9.4, exploited in the wild)
- [CVE-2026-81578](https://insights.sbomify.com/CVE-2026-81578/): PaperCut NG/MF Missing Authentication for Critical Function (high 8.8, exploited in the wild)
- [CVE-2023-2533](https://insights.sbomify.com/CVE-2023-2533/): PaperCut NG/MF Cross-Site Request Forgery (CSRF) (high 8.4, exploited in the wild)
- [CVE-2023-27351](https://insights.sbomify.com/CVE-2023-27351/): PaperCut NG/MF Improper Authentication (high 8.2, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-4712 and fix it if it is affected.

What it is: CVE-2024-4712 is a high-severity vulnerability in PaperCut NG, PaperCut MF, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-4712 in the wild and no public exploit code.

Affected product: PaperCut NG, PaperCut MF. 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-2024-4712/ (Markdown: https://insights.sbomify.com/CVE-2024-4712/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-4712
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-4712
- OSV: https://osv.dev/vulnerability/CVE-2024-4712

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-4712/
Summaries are generated and may contain mistakes; the official description above is the record.