CVE-2002-0201

Cyberstop Web Server 0.1 - Denial of Service via Long HTTP GET Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2002-0201. PoCs published by Alex Hernandez, alt3kx.

AI-analyzed exploit summary This Perl script exploits a denial-of-service (DoS) vulnerability in Cyberstop Web Server v0.1 by sending an HTTP GET request with an excessively long string of 'A' characters. The server crashes upon processing the request, requiring a restart to regain functionality.

Description

Cyberstop Web Server for Windows 0.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request, possibly triggering a buffer overflow.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Alex Hernandez · perldoswindows
https://www.exploit-db.com/exploits/21237

This Perl script exploits a denial-of-service (DoS) vulnerability in Cyberstop Web Server v0.1 by sending an HTTP GET request with an excessively long string of 'A' characters. The server crashes upon processing the request, requiring a restart to regain functionality.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Cyberstop Web Server v0.1
No auth needed
Prerequisites: Network access to the target server · Target server running Cyberstop Web Server v0.1
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by alt3kx · poc
https://github.com/alt3kx/CVE-2002-0201

The repository contains a functional Perl script that exploits a buffer overflow vulnerability in CyberStop Web Server for Windows 0.1 by sending a long HTTP GET request, causing a denial of service (DoS). The exploit is straightforward and directly demonstrates the vulnerability.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: CyberStop Web Server for Windows 0.1
No auth needed
Prerequisites: Network access to the target server
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (3)

Core 3
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=101174569103289&w=2
Vendor Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/7960.php
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3930

Scores

EPSS 0.2111
EPSS Percentile 97.3%

Details

Status published
Products (1)
cyberstop/cyberstop_web_server
Published May 16, 2002
Tracked Since Feb 18, 2026