CVE-2002-1712

Microsoft Windows 2000 - Denial of Service via Empty TCP/IP Packets with ACK and FIN Bits

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2002-1712. PoCs published by 3APA3A.

AI-analyzed exploit summary This exploit sends numerous empty TCP packets with FIN and ACK flags set to a target host on port 139, causing the Windows TCP stack to consume excessive system memory, leading to a denial of service (DoS). The code constructs raw TCP/IP packets and floods the target.

Description

Microsoft Windows 2000 allows remote attackers to cause a denial of service (memory consumption) by sending a flood of empty TCP/IP packets with the ACK and FIN bits set to the NetBIOS port (TCP/139), as demonstrated by stream3.

Exploits (2)

exploitdb WORKING POC VERIFIED
by 3APA3A · cdoswindows
https://www.exploit-db.com/exploits/21246

This exploit sends numerous empty TCP packets with FIN and ACK flags set to a target host on port 139, causing the Windows TCP stack to consume excessive system memory, leading to a denial of service (DoS). The code constructs raw TCP/IP packets and floods the target.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (various versions, 2002 era)
No auth needed
Prerequisites: Raw socket permissions · Network access to target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by 3APA3A · cdoswindows
https://www.exploit-db.com/exploits/21245

This exploit sends numerous empty TCP packets with FIN/ACK flags to a target host on port 139, causing the Windows TCP stack to consume excessive system memory, leading to a denial of service (DoS). The code constructs raw IP and TCP packets with spoofed source addresses and ports.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (various versions, 2002 era)
No auth needed
Prerequisites: Raw socket permissions · Network access to target port 139
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3967
Vendor Advisory vendor-advisory x_refsource_mskb
http://support.microsoft.com/default.aspx?scid=kb%3BEN-US%3Bq280446
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/8037
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://online.securityfocus.com/archive/1/252616

Scores

EPSS 0.2933
EPSS Percentile 97.9%

Details

Status published
Products (2)
microsoft/windows_2000 (2 CPE variants)
microsoft/windows_nt 4.0 (24 CPE variants)
Published Dec 31, 2002
Tracked Since Feb 18, 2026