The Java Plug-in J2SE 1.3.0_02 through 5.0 Update 5, and Java Web Start 1.0 through 1.2 and J2SE 1.4.2 through 5.0 Update 5, allows remote attackers to exploit vulnerabilities by specifying a JRE version that contain vulnerabilities.
Conclusion & alert: CVE-2006-4302 is rated Moderate Risk (48.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.49%). 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 | 2026-04-04 | 1.58% | 1.49% | -0.10% |
| 2 | 2025-09-16 | 1.22% | 1.58% | +0.36% |
| 3 | 2025-03-30 | — | 1.22% | — |
Full EPSS history (13 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 |
|---|---|---|---|
| sun | j2se | 1.3.0_02 | cpe:2.3:a:sun:j2se:1.3.0_02:*:sdk:*:*:*:*:* |
| sun | j2se | 1.4.2 | cpe:2.3:a:sun:j2se:1.4.2:*:sdk:*:*:*:*:* |
| sun | j2se | 5.0 | cpe:2.3:a:sun:j2se:5.0:*:sdk:*:*:*:*:* |
| sun | j2se | 5.0_update1 | cpe:2.3:a:sun:j2se:5.0_update1:*:sdk:*:*:*:*:* |
| sun | j2se | 5.0_update5 | cpe:2.3:a:sun:j2se:5.0_update5:*:*:*:*:*:*:* |
| sun | java_web_start | 1.0 | cpe:2.3:a:sun:java_web_start:1.0:*:*:*:*:*:*:* |
| sun | java_web_start | 1.0.1 | cpe:2.3:a:sun:java_web_start:1.0.1:*:*:*:*:*:*:* |
| sun | java_web_start | 1.0.1_01 | cpe:2.3:a:sun:java_web_start:1.0.1_01:*:*:*:*:*:*:* |
| sun | java_web_start | 1.0.1_02 | cpe:2.3:a:sun:java_web_start:1.0.1_02:*:*:*:*:*:*:* |
| sun | java_web_start | 1.2 | cpe:2.3:a:sun:java_web_start:1.2:*:*:*:*:*:*:* |