CVE-2016-5797: Tollgrade Lighthouse Sms

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Tollgrade LightHouse SMS before 5.1 patch 3 provides different error messages for failed authentication attempts depending on whether the username exists, which allows remote attackers to enumerate account names via a series of attempts.

Affected products

• Tollgrade Lighthouse Sms: up to and including 5.1

Published 2016-07-15. Last modified 2026-06-17.