CVE-2009-4587

Exp

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.

Published: 2010-01-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2009-4587

EDB-ID Source Kind Published Link
9874 exploit_db edb 2009-10-26 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4587

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4587

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-4587

OS Trackers for CVE-2009-4587

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

Affected software / configurations for CVE-2009-4587

Vendor Product Version Raw CPE
cherokee cherokee 0.5.4 cpe:2.3:a:cherokee:cherokee:0.5.4:*:*:*:*:*:*:*

References for CVE-2009-4587

cvelogic Threat Intelligence