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Fencer Vulns
medium 5.3

CVE-2016-5797 json

Tollgrade LightHouse SMS before 5.1 patch 3 provides different error messages for failed authentication attempts depending on whether the u…

published 2016-07-15 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-6732

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-16-194-01 updated cvss 5.3

Tollgrade Smart Grid EMS LightHouse Vulnerabilities

  • Tollgrade LightHouse SMS <=5.1_Patch_3
    affected: mitigation “Updated software may be found on its support site at: (http://customersupport.tollgrade.com)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.