CVE-2019-20790: Authentication Bypass by Spoofing

April 27, 2020 (updated May 4, 2020)

OpenDMARC, when used with pypolicyd-spf, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

References

nvd.nist.gov/vuln/detail/CVE-2019-20790

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