Microsoft Terminal Server using Remote Desktop Protocol (RDP) 5.2 stores an RSA private key in mstlsapi.dll and uses it to sign a certificate, which allows remote attackers to spoof public keys of legitimate servers and conduct man-in-the-middle attacks.
Conclusion & alert: CVE-2005-1794 is rated Moderate Risk (64.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 16.19%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +10.22% 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 | 2026-06-15 | 5.97% | 16.19% | +10.22% |
| 2 | 2026-05-25 | 5.94% | 5.97% | +0.03% |
| 3 | 2026-05-23 | — | 5.94% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | remote_desktop_connection | 5.1.2600.2180 | cpe:2.3:a:microsoft:remote_desktop_connection:5.1.2600.2180:*:windows_xp:*:*:*:*:* |
| microsoft | windows_terminal_services_using_rdp | 5.2 | cpe:2.3:a:microsoft:windows_terminal_services_using_rdp:5.2:*:*:*:*:*:*:* |