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CVE-2023-0090

CriticalPublished

Proofpoint Enterprise Protection webservices unauthenticated RCE

Published: Mar 8, 2023
Updated: Feb 28, 2025
Assigning CNA: Proofpoint
Evidence observed: Aug 8, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.7%

Low · next 30 days

Percentile: 52.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

proofpoint-CVE-2023-0090Exploit
Proofpoint Email Gateway: Unauthenticated RCE

Responsible use

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