PUBLISHED DATE: April 28, 2025CVE-2024-10635:
Improper Input Validation Vulnerability

Description

Enterprise Protection contains an improper input validation vulnerability in attachment defense that allows an unauthenticated remote attacker to bypass attachment scanning security policy by sending a malicious S/MIME attachment with an opaque signature. When opened by a recipient in a downstream email client, the malicious attachment could cause partial loss of integrity and confidentiality to their system.

Products

• Proofpoint Enterprise Protection 8.18.6
• Proofpoint Enterprise Protection 8.20.6
• Proofpoint Enterprise Protection 8.21.0

Questions to Ask Vendors

1. Can you confirm whether your systems are affected by CVE-2024-10635, and if so, what steps are you currently taking to mitigate this vulnerability?
2. What is your estimated timeline for fully resolving CVE-2024-10635 in your products or services, and how will you communicate updates on this issue to us as your customer?

Recommended Actions

• Check out the advisory links provided below.

References

• http://webappsec.pbworks.com/Improper-Input-Handling
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• https://nvd.nist.gov/vuln/detail/CVE-2024-10635