What’s Vulnerable › Vulnerabilities

CVE-2023-0090: Proofpoint Enterprise Protection webservices unauthenticated RCE

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-08 · updated 2026-06-17
• Weakness: CWE-95

Description

The webservices in Proofpoint Enterprise Protection (PPS/POD) contain a vulnerability that allows for an anonymous user to execute remote code through 'eval injection'. Exploitation requires network access to the webservices API, but such access is a non-standard configuration. This affects all versions 8.20.0 and below.

Affected products

• Proofpoint Enterprise Protection: before 8.13.22; from 8.18.0 before 8.18.4; 8.18.6, 8.20.0 — fixed in 8.13.22, 8.18.4

How to fix

Upgrade to a fixed version: Proofpoint Enterprise Protection 8.13.22, 8.18.4. Check the vendor advisory for mitigations.

References

• https://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0001
• https://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0001

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