CVE-2018-5328 — 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

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CRITICAL

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

Published Jan 15, 2018

9.8

CRITICAL

CVSS 3.0

EPSS 1.29%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.29% 0.01290

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01290

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.29% (0.01290)	69.16th	v5 (v2026.06.15)
Sep 20, 2026	1.29% (0.01290)	68.92th	v5 (v2026.06.15)
Jul 20, 2024	0.66% (0.00659)	79.83th	v3 (v2023.03.01)
Feb 8, 2024	0.66% (0.00659)	78.92th	v3 (v2023.03.01)
Mar 7, 2023	0.66% (0.00659)	76.42th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.44% (0.00442)	10.76th	v5 (v2026.06.15)
Apr 14, 2021	0.44% (0.00442)	0.00th	v1

Weaknesses (1)

CWE-287

Improper Authentication

References (1)

https://becomepentester.blogspot.com/2018/01/ZUUSE-BEIMS-ContractorWeb-Privilege-Escalations-CVE-2018-5328.html
x_refsource_MISCExploitThird Party Advisory

Link	Providers	Tags
https://becomepentester.blogspot.com/2018/01/ZUUSE-BEIMS-ContractorWeb-Privilege-Escalations-CVE-2018-5328.html		x_refsource_MISCExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 15, 2018

Updated Aug 5, 2024

Reserved Jan 9, 2018

Link CVE-2018-5328

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-5328

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-5328