CVEvulnerability
CVE-2019-20634
3.7 LOW
Official page ↗
- Status
- Modified
- Published
- 2020-03-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-697
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.
Affected configurations
• proofpoint email protection (<= 2019-09-08)
Related
Weakness · CWE (1)
- CWE-697 Incorrect Comparison weakness
References
- https://github.com/moohax/Proof-Pudding Third Party Advisory
- https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdf Third Party Advisory
- https://www.proofpoint.com/us/security/CVE-2019-20634 Vendor Advisory
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001 Vendor Advisory
- https://atlas.mitre.org/studies/AML.CS0008 atlas.mitre.org
- https://github.com/moohax/Proof-Pudding Third Party Advisory
- https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdf Third Party Advisory
- https://www.proofpoint.com/us/security/CVE-2019-20634 Vendor Advisory
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sn-2020-0001 Vendor Advisory