The modoboa-dmarc plugin 1.1.0 for Modoboa is vulnerable to an XML External Entity…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | modoboa-dmarc (PyPI) | before 1.2.0 | 1.2.0 | Patch available | GHSA-vc42-mgr2-w34r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- modoboa-dmarc (PyPI) Vendor— Affected before 1.2.0 Fixed in 1.2.0 Patch available GHSA-vc42-mgr2-w34r
Remediation
- Fix · GHSA-vc42-mgr2-w34r modoboa-dmarc (PyPI) Fixed in 1.2.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19702
- 2026-10-03 Alias added: GHSA-vc42-mgr2-w34r
References
Other 4
- https://github.com/modoboa/modoboa-dmarc/commit/14c29e0ad9487bdbe4cc0bd1f8bc711285bf9933
- https://github.com/modoboa/modoboa-dmarc
- https://github.com/pypa/advisory-database/tree/main/vulns/modoboa-dmarc/PYSEC-2019-105.yaml
- https://github.com/pypa/advisory-database/tree/main/vulns/modoboa/PYSEC-2019-251.yaml
Sources
- CVE-2019-19702 · CVE Program
- CVE-2019-19702 · NVD
- FIRST EPSS
- GHSA-vc42-mgr2-w34r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences