Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.
Conclusion & alert: CVE-2001-0333 is rated High Exploit Risk (79.9/100): CVSS High severity, with high exploitation likelihood (EPSS 84.55%, 99th percentile). Core evidence: 9 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 16467 | exploit_db | edb | 2011-01-08 | Exploit-DB ↗ |
| 20836 | exploit_db | edb | 2001-05-16 | Exploit-DB ↗ |
| 20842 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20841 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20840 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20839 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20838 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20837 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
| 20835 | exploit_db | edb | 2001-05-15 | Exploit-DB ↗ |
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 | 2026-04-29 | 84.47% | 84.55% | +0.08% |
| 2 | 2026-03-04 | 88.68% | 84.47% | -4.21% |
| 3 | 2026-03-01 | — | 88.68% | — |
Full EPSS history (35 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 | internet_information_server | <= 5.0 | cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:* |
| microsoft | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |