IIS 4.0 allows a remote attacker to obtain the real pathname of the document root by requesting non-existent files with .ida or .idq extensions.
Conclusion & alert: CVE-2000-0071 is rated Moderate Risk (59.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 71.42%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +30.75% 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 | 2025-12-28 | 40.67% | 71.42% | +30.75% |
| 2 | 2025-12-27 | 71.42% | 40.67% | -30.75% |
| 3 | 2025-10-28 | — | 71.42% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_information_server | 3.0 | cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:* |
| microsoft | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |
| microsoft | internet_information_services | 5.0 | cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:* |