9.8

CVE-2019-20790

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Trusteddomain ≫ Opendmarc Version >= 1.3.0 <= 1.3.2
Trusteddomain ≫ Opendmarc Version 1.4.0
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.55% 0.838
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816
Third Party Advisory
Exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
https://sourceforge.net/p/opendmarc/tickets/235/
Third Party Advisory
Exploit
https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf
Third Party Advisory
Technical Description