Cherokee Web Server 0.5.4 allows remote attackers to cause a denial of service (daemon crash) via an MS-DOS reserved word in a URI, as demonstrated by the AUX reserved word.
Conclusion & alert: CVE-2009-4587 is rated High Exploit Risk (61.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.12%). Core evidence: 2 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 |
|---|---|---|---|---|
| 9874 | exploit_db | edb | 2009-10-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | 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 | 2026-06-15 | 10.87% | 4.12% | -6.74% |
| 2 | 2025-03-30 | 10.48% | 10.87% | +0.39% |
| 3 | 2025-03-29 | — | 10.48% | — |
Full EPSS history (13 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 | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2009-4587 medium priority: Ubuntu including 1 source packages (cherokee), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): not-affected 5, needs-triage 1. | https://ubuntu.com/security/CVE-2009-4587 |