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.
Conclusion & alert: CVE-2018-5328 is rated High Exploit Risk (78.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.31%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 0.48% | 1.31% | +0.83% |
| 2 | 2025-03-30 | 0.94% | 0.48% | -0.45% |
| 3 | 2025-03-29 | — | 0.94% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| beims | contractorweb.net | 5.18.0.0 | cpe:2.3:a:beims:contractorweb.net:5.18.0.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://becomepentester.blogspot.com/2018/01/ZUUSE-BEIMS-ContractorWeb-Privilege-Escalations-CVE-2018-5328.html | Exploit Third Party Advisory |