OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks…
Priority MEDIUM 47CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-290.
Summary
OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.
Why it matters now
EPSS 0.0245 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* | 1.3.0 – 1.3.2 | Vulnerable | Trusteddomain |
| cpe:2.3:a:trusteddomain:opendmarc:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | Trusteddomain |
| cpe:2.3:a:pypolicyd-spf_project:pypolicyd-spf:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Pypolicyd-spf Project |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
- cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* Versions 1.3.0 – 1.3.2 Vulnerable ·Trusteddomain
- cpe:2.3:a:trusteddomain:opendmarc:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Trusteddomain
- cpe:2.3:a:pypolicyd-spf_project:pypolicyd-spf:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Pypolicyd-spf Project
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20790
- 2026-10-03 Alias added: GHSA-6pph-69rg-fpw6
References
Sources
- CVE-2019-20790 · CVE Program
- CVE-2019-20790 · NVD
- FIRST EPSS
- GHSA-6pph-69rg-fpw6 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-20790 · Red Hat security data · CC BY 4.0
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