VulnerabilityModified
CVE-2019-20634
The insights gathered allow an attacker to craft emails that receive preferable scores, with a goal of delivering malicious emails.
LOW 3.7EPSS 1.64%
Does this matter?
Lower severity and a low EPSS score (1.64%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.64% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-697
- Affected
- proofpoint/email protection
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.