The Server service (srvsvc.dll) in Windows XP SP1 and SP2 allows remote attackers to obtain sensitive information (users who are accessing resources) via an anonymous logon using a named pipe, which is not properly authenticated, aka the "Named Pipe Vulnerability."
Conclusion & alert: CVE-2005-0051 is rated High Risk (67.4/100): CVSS High severity, with high exploitation likelihood (EPSS 47.19%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.25% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-01-03 | 43.94% | 47.19% | +3.25% |
| 2 | 2025-03-30 | 56.61% | 43.94% | -12.67% |
| 3 | 2025-03-29 | — | 56.61% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:* |
| microsoft | windows_xp | — | cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* |