NAI VirusScan NT 4.0.2 does not properly modify the scan.dat virus definition file during an update via FTP, but it reports that the update was successful, which could cause a system administrator to believe that the definitions have been updated correctly.
Conclusion & alert: CVE-1999-1195 is rated Moderate Risk (46.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.53%). 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 | 0.55% | 1.53% | +0.98% |
| 2 | 2025-03-17 | 0.96% | 0.55% | -0.40% |
| 3 | 2023-08-13 | — | 0.96% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| network_associates | virusscan | 4.0.2 | cpe:2.3:a:network_associates:virusscan:4.0.2:*:*:*:*:*:*:* |