A Broken Access Control vulnerability in Nagios Network Analyzer 2024R1.0.3 allows low-privilege users with "Read-Only" access to perform administrative actions, including stopping system services and deleting critical resources. This flaw arises due to improper authorization enforcement, enabling unauthorized modifications that compromise system integrity and availability.
Conclusion & alert: CVE-2025-28131 is rated Low Risk (38.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-05-12 | 0.23% | 0.34% | +0.11% |
| 2 | 2026-05-10 | 0.05% | 0.23% | +0.18% |
| 3 | 2025-12-16 | — | 0.05% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 3.1 | MEDIUM |
|
2.1 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nagios | network_analyzer | 2024 | cpe:2.3:a:nagios:network_analyzer:2024:r1.0.3:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/harshal79/Privilege-Escalation-in-Nagios-Network-Analyzer.git | Third Party Advisory |
| https://www.nagios.com/changelog/#network-analyzer | Release Notes |