CVE-2009-4790

Sysax Multi Server 4.5 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-4790.

AI-analyzed exploit summary This exploit demonstrates a directory traversal vulnerability in Sysax Multi Server v4.3 via malformed FTP DELE requests, allowing arbitrary file deletion. It authenticates with the server and sends a crafted DELE command with '..//' sequences to escape the FTP root.

Description

Multiple directory traversal vulnerabilities in Sysax Multi Server 4.5 allow remote authenticated users to read or modify arbitrary files via crafted FTP commands. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Exploits (1)

exploitdb WORKING POC
cremotewindows
https://www.exploit-db.com/exploits/8256

This exploit demonstrates a directory traversal vulnerability in Sysax Multi Server v4.3 via malformed FTP DELE requests, allowing arbitrary file deletion. It authenticates with the server and sends a crafted DELE command with '..//' sequences to escape the FTP root.

Classification
Working Poc 100%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Sysax Multi Server v4.3
Auth required
Prerequisites: FTP server access · Valid credentials
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (1)

Core 1
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34433

Scores

EPSS 0.0108
EPSS Percentile 78.3%

Details

CWE
CWE-22
Status published
Products (1)
sysax/multi_server 4.5
Published Apr 22, 2010
Tracked Since Feb 18, 2026