sonalisarkar-2003
Source-scoped identity with 1 associated PoC and 1 linked vulnerability.
Exploit catalog results
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GitHubsonalisarkar-2003/FTP-vsFTPD-CVE-2011-2523-VAPT-Report
Repository PoCStars: 0Created 2026-08-13WriteupCVE-2011-25231 file
Analysis
Technical assessment
A VAPT report documenting the scanning and exploitation of CVE-2011-2523 (vsFTPd 2.3.4 backdoor) on a Metasploitable 2 target using Nmap and Metasploit. The artifact contains no exploit or scanner code; it is a narrative report with embedded screenshots.
Backdoor review
No backdoor observed in reviewed code
The artifact is a payload withheld-only VAPT report describing the exploitation of CVE-2011-2523 against a Metasploitable 2 target. It contains no executable code, no instructions for the operator to run local commands, and no concealed or deceptive behavior. The report describes standard use of Nmap and Metasploit against a lab target.
Classification basis and observed behavior
Classification basis
The artifact is a VAPT report in README.md that describes scanning and exploitation steps but contains no executable code, scripts, or configuration files. It is a technical writeup of a known vulnerability.
README.md:1-123Requirements
- Target running vsFTPd 2.3.4 with the backdoor
README.md:56-60 - Network access to target port 21 and port 6200
README.md:60
Observed behavior
- Describes using Nmap vuln script to detect the vulnerability
README.md:84-88 - Describes using Metasploit to exploit the backdoor and obtain a root Meterpreter session
README.md:90-102
Behaviors behind the backdoor verdict
Observables
- Artifact Type
- Payload withheldThe artifact is a single README.md file containing a Vulnerability Assessment and Penetration Testing (VAPT) report. It describes steps taken by a security analyst but contains no source code, scripts, or executable payloads.
README.md:1-123 - Exploit Target
- Payload withheldThe report describes exploiting a known backdoor in vsFTPd 2.3.4 on a Metasploitable 2 virtual machine. This is the disclosed target of the exploit, not the operator's machine.
README.md:3README.md:47 - Exploit Tool
- Payload withheldThe report states that the vulnerability was exploited using the Metasploit Framework, a standard penetration testing tool. The operator is expected to configure and run this tool themselves.
README.md:15README.md:90
What the analysis did not establish
- Evidence consists of a single Markdown report with embedded image links; no exploit or scanner source code is present.
- Screenshots referenced in the report are not included in the evidence packet.
- The report references external image URLs for evidence screenshots, but these are not included in the review packet and their content cannot be verified.
This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.