CVE-2019-20790

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

3%p85

Published

Apr 27, 2020 (Apr 27, 2020)

Modified

Jun 17, 2026

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.

Vendors: trusteddomain pypolicyd-spf project fedoraproject
Products: opendmarc, pypolicyd-spf, fedora
Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.6%)

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