Unrestricted file upload vulnerability in ftp_upload_file.php in Support Incident Tracker (aka SiT!) 3.65 allows remote authenticated users to execute arbitrary PHP code by uploading a PHP file, then accessing it via a direct request to the file in an unspecified directory.
Conclusion & alert: CVE-2011-3833 is rated High Exploit Risk (74/100): CVSS Medium severity, with high exploitation likelihood (EPSS 19.63%, 97th percentile). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.02% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 18108 | exploit_db | edb | 2011-11-13 | 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 | 18.61% | 19.63% | +1.02% |
| 2 | 2026-05-18 | 19.15% | 18.61% | -0.54% |
| 3 | 2026-03-05 | — | 19.15% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.0 | 2.0 | MEDIUM |
|
6.8 | 6.4 | [email protected] |
: Per: http://cwe.mitre.org/data/definitions/434.html 'CWE-434: Unrestricted Upload of File with Dangerous Type'
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sitracker | support_incident_tracker | 3.65 | cpe:2.3:a:sitracker:support_incident_tracker:3.65:*:*:*:*:*:*:* |