What is CVE-2014-6287?

CVE-2014-6287 is a critical-severity vulnerability in Rejetto HTTP File Server, classified under Code Injection. CVSS score: 9.8/10. Published 2014-10-07.

How severe is CVE-2014-6287?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2014-6287 known to be exploited?

Yes. CVE-2014-6287 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 55 public proof-of-concept repositories are indexed.

RCE in Rejetto HTTP File Server

CVE-2014-6287

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2014-10-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.993 (99.9th percentile), scored 2026-10-12.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.993 · newest: 0.993 · change: 0.000

Affected products

Rejetto HTTP File Server

Weakness classification (CWE)

CWE-94 — Code Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-15.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.kb.cert.org/vuls/id/251276 (US Government Resource, Third Party Advisory, third-party-advisory)
www.exploit-db.com/exploits/39161/ (Exploit, VDB Entry, Third Party Advisory, exploit)
packetstormsecurity.com/files/128243/HttpFileServer-2.3.x-Remote-Command-Execut… (Exploit, VDB Entry, Third Party Advisory)
github.com/rapid7/metasploit-framework/pull/3793 (Exploit)
packetstormsecurity.com/files/135122/Rejetto-HTTP-File-Server-2.3.x-Remote-Code… (Exploit, VDB Entry, Third Party Advisory)
packetstormsecurity.com/files/160264/Rejetto-HttpFileServer-2.3.x-Remote-Comman… (Exploit, VDB Entry, Third Party Advisory)
packetstormsecurity.com/files/161503/HFS-HTTP-File-Server-2.3.x-Remote-Code-Exe… (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2014-6287?: CVE-2014-6287 is a critical-severity vulnerability in Rejetto HTTP File Server, classified under Code Injection. CVSS score: 9.8/10. Published 2014-10-07.
How severe is CVE-2014-6287?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2014-6287 known to be exploited?: Yes. CVE-2014-6287 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 55 public proof-of-concept repositories are indexed.