First published: Mon Mar 30 2020(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Proofpoint Email Protection | <=2019-09-08 | |
<=2019-09-08 |
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CVE-2019-20634 is a vulnerability found in Proofpoint Email Protection that allows an attacker to build a copy-cat Machine Learning Classification model and extract insights from it.
The severity of CVE-2019-20634 is medium with a CVSS score of 3.7.
CVE-2019-20634 affects Proofpoint Email Protection versions up to and including 2019-09-08.
An attacker can exploit CVE-2019-20634 by collecting scores from Proofpoint email headers to build a copy-cat Machine Learning Classification model and gain insights for crafting malicious emails.
It is recommended to update Proofpoint Email Protection to a version that is not affected by CVE-2019-20634 to fix the vulnerability.