CVE Vulnerability

CVE-2019-20634

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

3.7 /10

CVSS v3.0 : LOW

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/moohax/Talks/blob/master/slides/DerbyCon19.pdf Third Party Advisory
https://github.com/moohax/Proof-Pudding 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
Configurations

Configuration 1

cpe:2.3:a:proofpoint:email_protection:*:*:*:*:*:*:*:*
Information

Published : 2020-03-30 09:15

Updated : 2022-04-27 04:40

NVD link : CVE-2019-20634

Mitre link : CVE-2019-20634

Products Affected
No products.
CWE
CWE-697