Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to nagios.
Conclusion & alert: CVE-2020-28908 is rated High Exploit Risk (93.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 48.20%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +14.92% over the last day, indicating growing attacker interest. 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 | 2026-05-26 | 33.29% | 48.20% | +14.92% |
| 2 | 2025-11-21 | 33.59% | 33.29% | -0.30% |
| 3 | 2025-11-18 | — | 33.59% | — |
Full EPSS history (31 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html | Third Party Advisory VDB Entry |
| https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/ | Exploit Third Party Advisory |
| https://www.nagios.com/downloads/nagios-xi/change-log/ | Release Notes Vendor Advisory |