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Multiple unspecified vulnerabilities in Cisco VPN 3000 series concentrators (prior to 4.1, 4.1.x up to 4.1(7)L, and 4.7.x up to 4.7(2)F) allow attackers to execute FTP commands (CWD, MKD, CDUP, RNFR, SIZE, RMD) to modify files or create and delete directories via unknown vectors. The vulnerabilities are related to improper access control or authentication checks on the FTP service, permitting unauthorized manipulation of the file system.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit auxiliary module targeting a logic vulnerability (CVE-2006-4313) in Cisco VPN Concentrator 3000 series devices. The exploit leverages the ability to send unauthenticated FTP commands (such as MKD, SIZE, and RMD) to the device's FTP service (default port 21), allowing the creation and deletion of directories without authentication. The module connects to the target FTP service, attempts to create a directory, verifies its existence, deletes it, and confirms deletion, thereby demonstrating unauthorized administrative access. The code is written in Ruby and structured as a standard Metasploit module, with the main logic in the 'run' method. The exploit is a proof-of-concept and does not provide a shell or advanced payload, but confirms the presence of the vulnerability by performing observable changes on the target device.
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