Greenbone Security Assistant (GSA) before 7.0.3 and Greenbone OS (GOS) before 5.0.0 allow Host Header Injection.
Conclusion & alert: CVE-2018-25016 is rated Moderate Risk (61/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.51%). 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 | 2025-03-30 | 0.99% | 0.51% | -0.48% |
| 2 | 2025-03-29 | 0.51% | 0.99% | +0.48% |
| 3 | 2025-03-17 | — | 0.51% | — |
Full EPSS history (8 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] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| greenbone | greenbone_security_assistant | < 7.0.3 | cpe:2.3:a:greenbone:greenbone_security_assistant:*:*:*:*:*:*:*:* |
| greenbone | greenbone_os | < 5.0.0 | cpe:2.3:o:greenbone:greenbone_os:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/greenbone/gsa/pull/318 | Patch Third Party Advisory |
| https://github.com/greenbone/gsa/releases/tag/v7.0.3 | Release Notes Third Party Advisory |