How severe is CVE-2019-19702?

CVE-2019-19702 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-19702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19702?

CVE-2019-19702 affects Modoboa Modoboa-dmarc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19702?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19702 published?

CVE-2019-19702 was published on 2019-12-10 and last updated on 2026-06-17.

CVE-2019-19702

CVE-2019-19702 is a high-severity vulnerability in Modoboa Modoboa-dmarc with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Modoboa Modoboa-dmarc
Published: 2019-12-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2019-19702?: 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.
How severe is CVE-2019-19702?: CVE-2019-19702 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-19702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19702?: CVE-2019-19702 affects Modoboa Modoboa-dmarc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19702 published?: CVE-2019-19702 was published on 2019-12-10 and last updated on 2026-06-17.

References

https://github.com/modoboa/modoboa-dmarc/issues/38

Affected products (1)

cpe:2.3:a:modoboa:modoboa-dmarc:1.1.0:*:*:*:*:modoboa:*:*

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