# PYSEC-2019-251 - The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection (XXE)…

Source: https://junglewise.ai/threats/pysec-2019-251-the-modoboa-dmarc-plugin-1-1-0-for-modoboa-is-vulnerable-46300d0a  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2019-12-10  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2019-12-10

The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this to perform a denial of service against the DMARC reporting functionality, such as by referencing the /dev/random file within XML documents that are emailed to the address in the rua field of the DMARC records of a domain.

Technologies: [modoboa (PyPI)](https://junglewise.ai/threats/technologies/pypi-modoboa). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 10 December 2019.

**Which products and versions are affected?** modoboa (PyPI) ECOSYSTEM:introduced=0.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run modoboa (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- modoboa (PyPI) ECOSYSTEM:introduced=0

## Related threats

- [PYSEC-2026-849 - Improper Restriction of Excessive Authentication Attempts in modoboa](https://junglewise.ai/threats/cve-2023-0860-improper-restriction-of-excessive-authentication-attempts-in)
- [Modoboa has OS Command Injection](https://junglewise.ai/threats/cve-2026-27602-modoboa-has-os-command-injection)
- [PYSEC-2023-216 - Cross-site Scripting (XSS) - DOM in GitHub repository modoboa/modoboa prior to 2.2.2.](https://junglewise.ai/threats/cve-2023-5689-modoboa-cross-site-scripting-vulnerability)
- [PYSEC-2023-215 - Cross-site Scripting (XSS) - DOM in GitHub repository modoboa/modoboa prior to 2.2.2.](https://junglewise.ai/threats/cve-2023-5688-modoboa-cross-site-scripting-vulnerability)
- [PYSEC-2023-217 - Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.2.2.](https://junglewise.ai/threats/cve-2023-5690-modoboa-cross-site-request-forgery-vulnerability)