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.

INFO

Published Date :

April 27, 2020, 2:15 p.m.

Last Modified :

Nov. 7, 2023, 3:09 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-20790 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-20790 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Trusteddomain opendmarc
1 Pypolicyd-spf_project pypolicyd-spf
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 6, 2023, 10:17 p.m. This repo has been linked 2 different CVEs too.

A spam test for public mail service based on espoofer.

Python

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : April 19, 2023, 10:43 a.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 2 years, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 5, 2022, 12:21 p.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 2 years, 7 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 3, 2022, 7:18 a.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 2 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 19, 2022, 10:14 a.m. This repo has been linked 2 different CVEs too.

Espoofer

Python

Updated: 3 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Aug. 6, 2021, 10:02 a.m. This repo has been linked 2 different CVEs too.

An email spoofing testing tool that aims to bypass SPF/DKIM/DMARC and forge DKIM signatures.🍻

spoofing-emails spf dkim dmarc smtp phishing-attacks email-spoof phishing spoofing dmarc-bypass hacking penetration-testing security security-tools

Python

Updated: 3 weeks, 4 days ago
1385 stars 240 fork 240 watcher
Born at : June 23, 2019, 4:35 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-20790 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20790 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
  • Modified Analysis by [email protected]

    Nov. 16, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 31, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/ [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816 No Types Assigned https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816 Exploit, Third Party Advisory
    Changed Reference Type https://sourceforge.net/p/opendmarc/tickets/235/ No Types Assigned https://sourceforge.net/p/opendmarc/tickets/235/ Exploit, Third Party Advisory
    Changed Reference Type https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf No Types Assigned https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf Technical Description, Third Party Advisory
    Added CWE NIST CWE-290
    Added CPE Configuration AND OR *cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* versions from (including) 1.3.0 up to (including) 1.3.2 OR *cpe:2.3:a:trusteddomain:opendmarc:1.4.0:*:*:*:*:*:*:* OR *cpe:2.3:a:pypolicyd-spf_project:pypolicyd-spf:2.0.2:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.62 }} 0.08%

score

0.76628

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability