PT-2013-68: Sensitive Information Disclosure in Serv-U File Server

Vulnerable software

Serv-U File Server
Version: and earlier


Severity level

Severity level: Medium
Impact: Information Disclosure
Access Vector: Remote

CVSS v2:
Base Score: 5.0
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVE: not assigned

Software description

Serv-U File Server is a Windows and Linux based multi-protocol FTP, HTTP and SFTP file server.

Vulnerability description

The specialists of the Positive Research center have detected a Sensitive Information Disclosure vulnerability in Serv-U File Server on Windows.

The system does not consider that NTFS allows users to address files with extended syntax, while matching the requested resource URL with locations defined in web server configuration. This vulnerability allows attackers to obtain arbitrary scripts source codes.

How to fix

No solution

Advisory status

02.10.2013 - Vulnerability details were sent to CERT
31.07.2014 - Public disclosure


The vulnerability was detected by Sergey Bobrov, Positive Research Center (Positive Technologies Company)


Reports on the vulnerabilities previously discovered by Positive Research: