CVE Intelligence

Proofpoint vulnerabilities

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Published CVEs affecting Proofpoint products: 1 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2025-8558 Medium · 5.4 CWE-306 Nov 3, 2025
Missing Authentication for Critical Function in Proofpoint Insider Threat Management Server
Insider Threat Management (ITM) Server versions prior to 7.17.2 contain an authentication bypass vulnerability that allows unauthenticated users on an adjacent network to perform agent unregistration when the number of registered agents exceeds the licensed limit. Successful exploitation prevents the server from receiving new events from affected agents, resulting in a partial loss of integrity and availability with no impact to confidentiality.