CVE-2011-3833
NVD-CWE-OtherPublished: January 29, 2012· Updated: Jun 16, 2026
Official Description
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.
Technical Analysis
CVE-2011-3833 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2011-3833. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (20)
Quick Facts
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-3833 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts