VULNERABILITY INTELLIGENCE
CVE-2019-20790
CVSS score9.8 CRITICAL
EPSS probability2.64%
CISA KEVNot currently listed
Published2020-04-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-290: Authentication Bypass by Spoofing
Primary references
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Technical Description, Third Party Advisory