CVE-2023-3251: Tenable Nessus

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

A pass-back vulnerability exists where an authenticated, remote attacker with administrator privileges could uncover stored SMTP credentials within the Nessus application.This issue affects Nessus: before 10.6.0.

Affected products

  • Tenable Nessus: before 10.6.0 (fixed in 10.6.0)

Published 2023-08-29. Last modified 2026-06-17.