The default installation of VirusScan 4.5 and NetShield 4.5 has insecure permissions for the registry key that identifies the AutoUpgrade directory, which allows local users to execute arbitrary commands by replacing SETUP.EXE in that directory with a Trojan Horse.
Conclusion & alert: CVE-2000-0650 is rated Low Risk (15.5/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.07%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 2 | 2023-03-07 | 0.95% | 0.04% | -0.91% |
| 3 | 2022-02-04 | — | 0.95% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| network_associates | netshield | 4.5 | cpe:2.3:a:network_associates:netshield:4.5:*:*:*:*:*:*:* |
| network_associates | virusscan | 4.5 | cpe:2.3:a:network_associates:virusscan:4.5:*:windows_nt:*:*:*:*:* |