ISPConfig before 3.1.15p3, when the undocumented reverse_proxy_panel_allowed=sites option is manually enabled, allows SQL Injection.
Conclusion & alert: CVE-2020-9398 is rated Moderate Risk (63/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.27%). 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 | 2026-06-15 | 0.51% | 1.27% | +0.75% |
| 2 | 2025-11-21 | 0.45% | 0.51% | +0.07% |
| 3 | 2025-11-18 | — | 0.45% | — |
Full EPSS history (12 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] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ispconfig | ispconfig | < 3.1.15 | cpe:2.3:a:ispconfig:ispconfig:*:*:*:*:*:*:*:* |
| ispconfig | ispconfig | 3.1.15 | cpe:2.3:a:ispconfig:ispconfig:3.1.15:-:*:*:*:*:*:* |
| ispconfig | ispconfig | 3.1.15 | cpe:2.3:a:ispconfig:ispconfig:3.1.15:p1:*:*:*:*:*:* |
| ispconfig | ispconfig | 3.1.15 | cpe:2.3:a:ispconfig:ispconfig:3.1.15:p2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.ispconfig.org/blog/ispconfig-3-1-15p3-released-security-bugfix-release/ | Vendor Advisory |