CVE-2001-1184

Denicomp Winsock RSHD/NT <2.21.00 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2001-1184. PoCs published by jimmers.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in Winsock RSHD/NT by sending an invalid port number, causing the daemon to attempt connections to all ports below 1024, consuming CPU resources.

Description

wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024.

Exploits (2)

exploitdb WORKING POC VERIFIED
by jimmers · cdoswindows
https://www.exploit-db.com/exploits/21175

This exploit demonstrates a denial-of-service (DoS) vulnerability in Winsock RSHD/NT by sending an invalid port number, causing the daemon to attempt connections to all ports below 1024, consuming CPU resources.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Winsock RSHD/NT 2.21.00
No auth needed
Prerequisites: Network access to the target system running Winsock RSHD/NT
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by jimmers · cdoswindows
https://www.exploit-db.com/exploits/21174

This exploit demonstrates a denial-of-service (DoS) vulnerability in Winsock RSHD/NT by sending an invalid port number, causing the daemon to attempt connections to all ports below 1024, including negative values, leading to CPU resource exhaustion.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Winsock RSHD/NT 2.20.00
No auth needed
Prerequisites: Network access to the target system running Winsock RSHD/NT
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Various Sources x_refsource_confirm
http://www.denicomp.com/rshdnt.htm
Exploit mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/244580
Exploit, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3659
Exploit mailing-list x_refsource_bugtraq
http://online.securityfocus.com/archive/1/245405
Vendor Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/7694.php

Scores

EPSS 0.0350
EPSS Percentile 87.7%

Details

Status published
Products (2)
denicomp/winsock_rshd_nt 2.20
denicomp/winsock_rshd_nt 2.21
Published Dec 08, 2001
Tracked Since Feb 18, 2026