# CVE-2023-4568: PaperCut NG Unauthenticated XMLRPC

> Attackers can execute arbitrary XMLRPC commands without authentication, potentially leading to code execution and privilege escalation.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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:** 13 Sep 2023
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-59g7-q3pq-jv2x

## What is CVE-2023-4568?

CVE-2023-4568 is a medium-severity authentication bypass vulnerability in PaperCut NG, published on 13 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

PaperCut NG allows for unauthenticated XMLRPC commands to be run by default. Versions 22.0.12 and below are confirmed to be affected, but later versions may also be affected due to lack of a vendor supplied patch.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2023-4568?

It affects 1 product.


Products: Papercut Papercut Ng.

## How do I fix CVE-2023-4568?

No fix has been published for CVE-2023-4568 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4568 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4568 exists.

Public exploit code:

- PaperCut NG Unauthenticated XMLRPC Functionality (github_poc): https://github.com/Cappricio-Securities/CVE-2023-4568
- PaperCut NG Unauthenticated XMLRPC Functionality (nuclei): http/cves/2023/CVE-2023-4568.yaml

## Other vulnerabilities in PaperCut NG

- [CVE-2023-39470](https://insights.sbomify.com/CVE-2023-39470/): PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4568 and fix it if it is affected.

What it is: CVE-2023-4568 is a medium-severity authentication bypass vulnerability in PaperCut NG, published on 13 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4568 exists.

Affected product: PaperCut NG. 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-2023-4568/ (Markdown: https://insights.sbomify.com/CVE-2023-4568/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4568
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4568
- OSV: https://osv.dev/vulnerability/CVE-2023-4568

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4568/
Summaries are generated and may contain mistakes; the official description above is the record.