Executive Summary

Informations
Name CVE-2019-20634 First vendor Publication 2020-03-30
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Overall CVSS Score 3.7
Base Score 3.7 Environmental Score 3.7
impact SubScore 1.4 Temporal Score 3.7
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in Proofpoint Email Protection through 2019-09-08. By collecting scores from Proofpoint email headers, it is possible to build a copy-cat Machine Learning Classification model and extract insights from this model. The insights gathered allow an attacker to craft emails that receive preferable scores, with a goal of delivering malicious emails.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20634

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-697 Insufficient Comparison

Sources (Detail)

https://atlas.mitre.org/studies/AML.CS0008
https://github.com/moohax/Proof-Pudding
https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdf
https://www.proofpoint.com/us/security/CVE-2019-20634
https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001
Source Url

Alert History

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Date Informations
2024-11-28 13:31:13
  • Multiple Updates
2024-08-20 00:28:17
  • Multiple Updates
2022-04-27 21:23:53
  • Multiple Updates
2021-08-05 01:33:39
  • Multiple Updates
2021-07-21 17:24:14
  • Multiple Updates
2020-09-02 17:23:06
  • Multiple Updates
2020-05-23 02:29:15
  • First insertion