CVE-2016-5807

Tollgrade LightHouse SMS before 5.1 patch 3 allows remote authenticated users to bypass an intended administrative-authentication requirement, and read or change parameter values, via a direct request.

Published: 2016-07-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-5807 is rated Moderate Risk (48.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.26%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-5807

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.41% 0.26% -0.15%
2 2025-03-29 0.26% 0.41% +0.15%
3 2025-03-17 0.26%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5807

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 5.2 [email protected]
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 4.9 [email protected]

Weakness enumeration for CVE-2016-5807

Affected software / configurations for CVE-2016-5807

Vendor Product Version Raw CPE
tollgrade lighthouse_sms <= 5.1 cpe:2.3:a:tollgrade:lighthouse_sms:*:*:*:*:*:*:*:*

References for CVE-2016-5807

cvelogic Threat Intelligence