Is CVE-2014-6287 being actively exploited?

Yes. CVE-2014-6287 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on March 25, 2022.

What is the CVSS score for CVE-2014-6287?

CVE-2014-6287 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2014-6287

CRITICAL · CVSS 9.8CISA KEV: actively exploitedEPSS 99.3%EU EUVD: exploited

The findMacroMarker function in parserLib.pas in Rejetto HTTP File Server (aks HFS or HttpFileServer) 2.3x before 2.3c allows remote attackers to execute arbitrary programs via a %00 sequence in a search action.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-94
EPSS score: 99.3% (100th percentile)
In CISA KEV: Yes, added March 25, 2022
In EU EUVD: Yes (EUVD-2014-6172)
Published: October 7, 2014
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Rejetto HTTP File Server (HFS) Remote Code Execution Vulnerability

Added to the KEV catalog on March 25, 2022; federal remediation due April 15, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-6172 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

rejetto / http file server

References

http://packetstormsecurity.com/files/128243/HttpFileServer-2.3.x-Remote-Command-Execution.html(Exploit, Third Party Advisory, VDB Entry)
http://packetstormsecurity.com/files/135122/Rejetto-HTTP-File-Server-2.3.x-Remote-Code-Execution.html(Exploit, Third Party Advisory, VDB Entry)
http://packetstormsecurity.com/files/160264/Rejetto-HttpFileServer-2.3.x-Remote-Command-Execution.html(Exploit, Third Party Advisory, VDB Entry)
http://packetstormsecurity.com/files/161503/HFS-HTTP-File-Server-2.3.x-Remote-Code-Execution.html(Exploit, Third Party Advisory, VDB Entry)
http://www.kb.cert.org/vuls/id/251276(Third Party Advisory, US Government Resource)
https://github.com/rapid7/metasploit-framework/pull/3793(Exploit)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6287(US Government Resource)
https://www.exploit-db.com/exploits/39161/(Exploit, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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