Stack-based buffer overflow in the Macromedia JRun 4 web server (JWS) allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long request that is not properly handled during conversion to wide characters.
Conclusion & alert: CVE-2005-4472 is rated Moderate Risk (56.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.89%). 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 | 23.70% | 3.89% | -19.81% |
| 2 | 2025-03-30 | 18.72% | 23.70% | +4.98% |
| 3 | 2025-03-29 | — | 18.72% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [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:*:*:*:*:*:*:* |