Nagios XI versions prior to 2024R1.4.2 revealed API keys to users who were not authorized for API access when using Neptune themes. An authenticated user without API privileges could view another user's or their own API key value.
Conclusion & alert: CVE-2025-34283 is rated Moderate Risk (56.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.55%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-06-05 | 1.62% | 1.55% | -0.07% |
| 2 | 2026-05-26 | 1.22% | 1.62% | +0.40% |
| 3 | 2026-04-09 | — | 1.22% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.1 | 4.0 | HIGH |
|
— | — | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nagios | nagios_xi | < 2024 | cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.0.1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.0.2:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1.1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1.2:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1.3:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.1.5:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.2:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.2.1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.2.2:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.3:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.3.1:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.3.2:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.3.3:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.3.4:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.4:*:*:*:*:*:* |
| nagios | nagios_xi | 2024 | cpe:2.3:a:nagios:nagios_xi:2024:r1.4.1:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.nagios.com/changelog/nagios-xi/ | Release Notes |
| https://www.nagios.com/products/security/#nagios-xi | Vendor Advisory |
| https://www.vulncheck.com/advisories/nagios-xi-api-key-disclosure-via-neptune-themes | Third Party Advisory |