IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.
Conclusion & alert: CVE-2000-0024 is rated Moderate Risk (59.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 12.04%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2025-03-30 | 11.05% | 12.04% | +1.00% |
| 2 | 2025-03-29 | 12.04% | 11.05% | -1.00% |
| 3 | 2025-03-19 | — | 12.04% | — |
Full EPSS history (7 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 | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |
| microsoft | site_server | 3.0 | cpe:2.3:a:microsoft:site_server:3.0:*:*:*:*:*:*:* |
| microsoft | site_server_commerce | 3.0 | cpe:2.3:a:microsoft:site_server_commerce:3.0:*:*:*:*:*:*:* |