WatchGuard ServerLock for Windows 2000 before SL 2.0.4 allows local users to access kernel memory via a symlink attack on \Device\PhysicalMemory.
Conclusion & alert: CVE-2003-0642 is rated Low Risk (18.1/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.35%). 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 | 2026-06-15 | 0.07% | 0.35% | +0.28% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 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 |
|---|---|---|---|
| watchguard | serverlock | 2.0 | cpe:2.3:a:watchguard:serverlock:2.0:*:*:*:*:*:*:* |
| watchguard | serverlock | 2.0.1 | cpe:2.3:a:watchguard:serverlock:2.0.1:*:*:*:*:*:*:* |
| watchguard | serverlock | 2.0.2 | cpe:2.3:a:watchguard:serverlock:2.0.2:*:*:*:*:*:*:* |
| watchguard | serverlock | 2.0.3 | cpe:2.3:a:watchguard:serverlock:2.0.3:*:*:*:*:*:*:* |