CVE-2000-0656

AnalogX Proxy 4.04 - Denial of Service via Long FTP USER Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0656. PoCs published by wildcoyote.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in AnalogX Proxy 4.4, causing a denial of service (DoS) by sending overly long arguments to FTP, SMTP, POP3, or SOCKS services. The code constructs and sends a malformed buffer to crash the proxy server.

Description

Buffer overflow in AnalogX proxy server 4.04 and earlier allows remote attackers to cause a denial of service via a long USER command in the FTP protocol.

Exploits (1)

exploitdb WORKING POC VERIFIED
by wildcoyote · cdoswindows
https://www.exploit-db.com/exploits/20099

This exploit targets a buffer overflow vulnerability in AnalogX Proxy 4.4, causing a denial of service (DoS) by sending overly long arguments to FTP, SMTP, POP3, or SOCKS services. The code constructs and sends a malformed buffer to crash the proxy server.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: AnalogX Proxy 4.4
No auth needed
Prerequisites: Network access to the target AnalogX Proxy server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-07/0360.html
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1504

Scores

EPSS 0.0885
EPSS Percentile 94.5%

Details

Status published
Products (1)
analogx/proxy 4.4
Published Jul 25, 2000
Tracked Since Feb 18, 2026