Unspecified vulnerability in Macromedia JRun 4 web server (JWS) allows remote attackers to view web application source code via "a malformed URL."
Conclusion & alert: CVE-2005-4473 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.39%). 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 | 0.50% | 1.39% | +0.89% |
| 2 | 2025-03-17 | 2.08% | 0.50% | -1.58% |
| 3 | 2024-12-17 | — | 2.08% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| macromedia | jrun | 4.0 | cpe:2.3:a:macromedia:jrun:4.0:*:*:*:*:*:*:* |
| macromedia | jrun | 4.0 | cpe:2.3:a:macromedia:jrun:4.0:sp1:*:*:*:*:*:* |
| macromedia | jrun | 4.0 | cpe:2.3:a:macromedia:jrun:4.0:sp1a:*:*:*:*:*:* |
| macromedia | jrun | 4.0_build_61650 | cpe:2.3:a:macromedia:jrun:4.0_build_61650:*:*:*:*:*:*:* |