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Fencer Intel
critical 9.8

CVE-2018-5328 json

ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 allows access to various /UserManagement/ privileged modules without authenticating the user; an at…

published 2018-01-15 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17107

cvss
9.8
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

ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 allows access to various /UserManagement/ privileged modules without authenticating the user; an attacker can misuse these functionalities to perform unauthorized actions, as demonstrated by Edit User Details.

Exploit prediction

1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • becomepentester.blogspot.com https://becomepentester.blogspot.com/2018/01/ZUUSE-BEIMS-ContractorWeb-Privilege-Escalations-CVE-2018-5328.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel 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.