Denial of service Netscape Enterprise Server with VirtualVault on HP-UX VVOS systems.
Conclusion & alert: CVE-1999-0479 is rated Moderate Risk (44.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.71%). 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 | 0.79% | 0.71% | -0.08% |
| 2 | 2025-03-29 | 0.71% | 0.79% | +0.08% |
| 3 | 2025-03-17 | — | 0.71% | — |
Full EPSS history (6 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 |
|---|---|---|---|
| netscape | enterprise_server | 3.6 | cpe:2.3:a:netscape:enterprise_server:3.6:*:*:*:*:*:*:* |
| hp | hp-ux | 10.24 | cpe:2.3:o:hp:hp-ux:10.24:*:*:*:*:*:*:* |