CVE-2004-2114

ProxyNow! 2.75 - Remote Code Execution via Long FTP URL

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2004-2114. PoCs published by Peter Winter-Smith.

AI-analyzed exploit summary This exploit targets a stack overflow vulnerability in ProxyNow! 2.x by sending a maliciously crafted HTTP GET request with an excessively long URI prefixed with 'ftp://'. The payload executes notepad.exe with SYSTEM privileges on vulnerable Windows systems.

Description

Stack-based and heap-based buffer overflows in ProxyNow! 2.75 and earlier allow remote attackers to execute arbitrary code via a GET request with a long ftp:// URL.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Peter Winter-Smith · perlremotewindows
https://www.exploit-db.com/exploits/23608

This exploit targets a stack overflow vulnerability in ProxyNow! 2.x by sending a maliciously crafted HTTP GET request with an excessively long URI prefixed with 'ftp://'. The payload executes notepad.exe with SYSTEM privileges on vulnerable Windows systems.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ProxyNow! 2.75 and prior
No auth needed
Prerequisites: Network access to the vulnerable ProxyNow! service on TCP port 3128 · Vulnerable version of ProxyNow! (2.75 or prior)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/14955
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=107515550931508&w=2
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/9500

Scores

EPSS 0.0758
EPSS Percentile 93.8%

Details

Status published
Products (2)
internetnow/proxynow 2.6
internetnow/proxynow 2.75
Published Dec 31, 2004
Tracked Since Feb 18, 2026