Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Proofpoint | Email Protection | <= 2019-09-08 |
Related Weaknesses (CWE)
References
- https://github.com/moohax/Proof-PuddingThird Party Advisory
- https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdfThird Party Advisory
- https://www.proofpoint.com/us/security/CVE-2019-20634Vendor Advisory
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001Vendor Advisory
- https://atlas.mitre.org/studies/AML.CS0008
- https://github.com/moohax/Proof-PuddingThird Party Advisory
- https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdfThird Party Advisory
- https://www.proofpoint.com/us/security/CVE-2019-20634Vendor Advisory
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001Vendor Advisory
FAQ
What is CVE-2019-20634?
CVE-2019-20634 is a vulnerability with a CVSS score of 3.7 (LOW). 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 ...
How severe is CVE-2019-20634?
CVE-2019-20634 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20634?
Check the references section above for vendor advisories and patch information. Affected products include: Proofpoint Email Protection.