Security
Security Advisories

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.

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Security Advisories
Security Notices
Security Responses
Enterprise Protection S/MIME Opaque Signature Attachment Scanning Bypass

CVE-2024-10635  | CVSS 6.1 (Medium)

Type: Security Advisory
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Enterprise Protection Backslash URL Rewrite Bypass

CVE-2025-0431  | CVSS 5.8 (Medium)

Type: Security Advisory
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Proofpoint Encryption Server-Side Request Forgery

CVE-2024-0862   | CVSS 5.0 (Medium)

Type: Security Advisory
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Proofpoint Encryption Cross-Account Creation Vulnerability

CVE-2024-3676   | CVSS 7.5 (High)

Type: Security Advisory
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Proofpoint Enterprise Protection HTML Injection in Email Body Through Email Subject Vulnerability

CVE-2023-5770 | CVSS 5.3 (Medium)

Type: Security Advisory
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Proofpoint Enterprise Protection Cross-Site-Scripting in AdminUI via Email Subject Vulnerability

CVE-2023-5771 | CVSS 6.1 (Medium)

Type: Security Advisory
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ITM Server Communications Hijack

CVE-2023-4828 | CVSS 6.4 (Medium)

Type: Security Advisory
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ITM MacOS Agent Improper Certificate Validation

CVE-2023-4801 | CVSS 7.5 (High)

Type: Security Advisory
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ITM Server Multiple Cross-site Scripting Vulnerabilities

CVE-2023-4802 | CVSS 4.8 (Medium)

CVE-2023-4803 | CVSS 4.8 (Medium)

Type: Security Advisory
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ITM Server Multiple Vulnerabilities

CVE-2023-35998 | CVSS 4.6 (Medium)
CVE-2023-36000 | CVSS 6.5 (Medium)
CVE-2023-36002 | CVSS 4.3 (Medium)

Type: Security Advisory
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