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.
https://ics-cert.us-cert.gov/advisories/ICSA-16-194-01
http://www.securityfocus.com/bid/91728
Source: Mitre, NVD
Published: 2016-07-15
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.0032