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Security Advisories

Stay up-to-date with our latest security advisories

Reference this page to stay informed about important security vulnerabilities that could affect specific versions of Proofpoint products or services.

April 28, 2025

Enterprise Protection S/MIME Opaque Signature Attachment Scanning Bypass

CVE-2024-10635 | CVSS 6.1 (Medium)

Type: Security Advisory

Read more

March 19, 2025

Enterprise Protection Backslash URL Rewrite Bypass

CVE-2025-0431 | CVSS 5.8 (Medium)

Type: Security Advisory

Read more

May 13, 2024

Proofpoint Encryption Server-Side Request Forgery

CVE-2024-0862 | CVSS 5.0 (Medium)

Type: Security Advisory

Read more

May 13, 2024

Proofpoint Encryption Cross-Account Creation Vulnerability

CVE-2024-3676 | CVSS 7.5 (High)

Type: Security Advisory

Read more

January 09, 2024

Proofpoint Enterprise Protection HTML Injection in Email Body Through Email Subject Vulnerability

CVE-2023-5770 | CVSS 5.3 (Medium)

Type: Security Advisory

Read more

November 06, 2023

Proofpoint Enterprise Protection Cross-Site-Scripting in AdminUI via Email Subject Vulnerability

CVE-2023-5771 | CVSS 6.1 (Medium)

Type: Security Advisory

Read more

September 13, 2023

ITM Server Communications Hijack

CVE-2023-4828 | CVSS 6.4 (Medium)

Type: Security Advisory

Read more

September 13, 2023

ITM MacOS Agent Improper Certificate Validation

CVE-2023-4801 | CVSS 7.5 (High)

Type: Security Advisory

Read more

September 13, 2023

ITM Server Multiple Cross-site Scripting Vulnerabilities

CVE-2023-4802 | CVSS 4.8 (Medium)

CVE-2023-4803 | CVSS 4.8 (Medium)

Type: Security Advisory

Read more

June 27, 2023

ITM Windows Agent Insecure Filesystem Permissions

CVE-2023-2818 | CVSS 5.2 (Medium)

Type: Security Advisory

Read more