Buffer overflow in the Microsoft W3Who ISAPI (w3who.dll) allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long query string.
Conclusion & alert: CVE-2004-1134 is rated High Exploit Risk (94.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 86.42%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +5.17% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 16354 | exploit_db | edb | 2010-07-07 | 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 | 2025-09-14 | 81.25% | 86.42% | +5.17% |
| 2 | 2025-03-30 | 83.64% | 81.25% | -2.38% |
| 3 | 2025-03-29 | — | 83.64% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |