Buffer overflow in Sun Java System Web Server 7.0 Update 6 has unspecified impact and remote attack vectors, as demonstrated by the vd_sjws module in VulnDisco Pack Professional 8.12. NOTE: as of 20091105, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.
Conclusion & alert: CVE-2009-3878 is rated High Risk (68.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.45%). Core evidence: EPSS rose +2.12% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 0.33% | 2.45% | +2.12% |
| 2 | 2025-12-29 | 0.39% | 0.33% | -0.06% |
| 3 | 2025-03-30 | — | 0.39% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sun | java_system_web_server | 7.0 | cpe:2.3:a:sun:java_system_web_server:7.0:update_6:*:*:*:*:*:* |