CVE-2021-34814: Proofpoint Spam Engine

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

Proofpoint Spam Engine before 8.12.0-2106240000 has a Security Control Bypass.

Affected products

• Proofpoint Spam Engine: from 8.12.0-2104190000, before 8.12.0-2106240000 (fixed in 8.12.0-2106240000)

Published 2021-10-13. Last modified 2026-06-17.