Improper Input Validation in Nagios Fusion 4.1.8 and earlier allows an authenticated attacker to execute remote code via table pagination.
Conclusion & alert: CVE-2020-28905 is rated High Exploit Risk (79.4/100): CVSS High severity, with high exploitation likelihood (EPSS 43.79%, 98th percentile). 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 | 2026-05-26 | 59.16% | 43.79% | -15.38% |
| 2 | 2025-11-21 | 55.98% | 59.16% | +3.19% |
| 3 | 2025-11-18 | — | 55.98% | — |
Full EPSS history (33 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 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 |