CVE-2019-20790 — Authentication Bypass by Spoofing in Opendmarc
Severity
9.8CRITICALNVD
EPSS
0.2%
top 51.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 27
Latest updateMay 24
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages4 packages
Also affects: Fedora 33, 34
🔴Vulnerability Details
2📋Vendor Advisories
1Debian▶
CVE-2019-20790: opendmarc - OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows at...↗2019