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CVE-2019-20634: An issue was discovered in Proofpoint Email Protection through 2019-09-08. By collecting scores from…

Occurred
Mar 30, 2020
Published
Mar 30, 2020
Source
NVD CVE

Summary

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.

Tags

  • CVE
  • CVE-2019-20634
  • cvss:LOW

Classification

Category confidence: 85%
Severity confidence: 80%

Rationale: Exploitation of ML model to bypass email security filters, representing a model inversion attack.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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