# CVE-2024-3191: MailCleaner Email os command injection

> Remote attackers can execute arbitrary OS commands via the Email Handler in MailCleaner, requiring a patch to mitigate.

- **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:** 29 Apr 2024
- **Updated:** 27 Aug 2024
- **Also known as:** GHSA-2fhr-94vx-gjwj

## What is CVE-2024-3191?

CVE-2024-3191 is a critical command injection vulnerability in MailCleaner, published on 29 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, has been found in MailCleaner up to 2023.03.14. This issue affects some unknown processing of the component Email Handler. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-262307.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2024-3191?

It affects 1 product.


Products: Mailcleaner Mailcleaner.

## How do I fix CVE-2024-3191?

No fix has been published for CVE-2024-3191 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-3191 being exploited?

There is no known exploitation of CVE-2024-3191 in the wild and no public exploit code.

## Other vulnerabilities in MailCleaner

- [CVE-2024-3193](https://insights.sbomify.com/CVE-2024-3193/): MailCleaner Admin Endpoints os command injection (high 8.8)
- [CVE-2018-20323](https://insights.sbomify.com/CVE-2018-20323/): Command injection in n/a (high 8.8)
- [CVE-2019-1010246](https://insights.sbomify.com/CVE-2019-1010246/): Information disclosure in MailCleaner (high 7.5)
- [CVE-2024-3196](https://insights.sbomify.com/CVE-2024-3196/): MailCleaner SOAP Service dumpConfiguration os command injection (medium 6.7)
- [CVE-2018-18635](https://insights.sbomify.com/CVE-2018-18635/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-3191 and fix it if it is affected.

What it is: CVE-2024-3191 is a critical command injection vulnerability in MailCleaner, published on 29 Apr 2024. 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-2024-3191 in the wild and no public exploit code.

Affected product: MailCleaner. 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-2024-3191/ (Markdown: https://insights.sbomify.com/CVE-2024-3191/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-3191
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-3191
- OSV: https://osv.dev/vulnerability/CVE-2024-3191

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-3191/
Summaries are generated and may contain mistakes; the official description above is the record.