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CVE-2018-5328

28
FAUCET Score

CVE-2018-5328 describes a critical authentication bypass vulnerability in ZUUSE BEIMS ContractorWeb .NET version 5.18.0.0. This flaw allows unauthenticated attackers to access privileged modules within UserManagement, enabling unauthorized actions such as editing user details. With a CVSS v3 score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there publicly available exploit tools like Metasploit or ExploitDB entries. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
5.18.0.0CPE matchmatch criteria
cpe:2.3:a:beims:contractorweb.net:5.18.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 54th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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