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.
Conclusion & alert: CVE-2014-6287 is rated Critical Active Threat (100/100): CVSS Critical severity, with high exploitation likelihood (EPSS 99.32%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2022-03-25) affecting Rejetto / HTTP File Server (HFS). a weakness (CWE-94) Unauthenticated remote administrative access may be possible. EPSS rose +4.96% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Rejetto HTTP File Server (HFS) Remote Code Execution Vulnerability · CISA KEV detail
: 2022-03-25
: 2022-04-15
: Apply updates per vendor instructions.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 49125 | exploit_db | edb | 2020-11-30 | Exploit-DB ↗ |
| 39161 | exploit_db | edb | 2016-01-04 | Exploit-DB ↗ |
| 34926 | exploit_db | edb | 2014-10-09 | Exploit-DB ↗ |
| 34668 | exploit_db | edb | 2014-09-15 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 94.36% | 99.32% | +4.96% |
| 2 | 2025-11-16 | 94.23% | 94.36% | +0.13% |
| 3 | 2025-11-14 | — | 94.23% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rejetto | http_file_server | >= 2.3, < 2.3c | cpe:2.3:a:rejetto:http_file_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| 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.exploit-db.com/exploits/39161/ | Exploit Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6287 | US Government Resource |