CVE-2019-19680: Proofpoint Enterprise Protection

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD), in the unpatched versions of PPS through 8.9.22 and 8.14.2 respectively, allows attackers to bypass protection mechanisms (related to extensions, MIME types, virus detection, and journal entries for transmitted files) by sending malformed (not RFC compliant) multipart email.

Affected products

• Proofpoint Enterprise Protection: up to and including 8.9.22; up to and including 8.14.2

Published 2020-01-13. Last modified 2026-06-17.