CVE-2018-1154: Tenable Security Center

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

In SecurityCenter versions prior to 5.7.0, a username enumeration issue could allow an unauthenticated attacker to automate the discovery of username aliases via brute force, ultimately facilitating unauthorized access. Server response output has been unified to correct this issue.

Affected products

• Tenable Security Center: before 5.7.0 (fixed in 5.7.0)

Published 2018-08-02. Last modified 2026-08-17.