Vulnerability Details CVE-2019-20634
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.1%
CVSS Severity
CVSS v3 Score 3.7
CVSS v2 Score 4.3
References
- 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
- 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
Products affected by CVE-2019-20634
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cpe:2.3:a:proofpoint:email_protection:-
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cpe:2.3:a:proofpoint:email_protection:2019-09-08