CVE-2002-1561

The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to...

5.0 MediumPublic exploit

The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.

Exploit likelihood

37.7%Up 13.0 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2002-1561
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2002-1561
Updated: 2026-11-02

EUVDEUVD-2002-1543 No score

Record: EUVD-2002-1543
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vff3-5vfq-9m5f No score

The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to...

Record: GHSA-vff3-5vfq-9m5f
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (1)	2002-10-22
Exploit-DB	Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (2)	2002-10-22
Exploit-DB	Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (3)	2002-10-18
Exploit-DB	Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (4)	2002-10-18

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2002-1561 is a medium vulnerability (CVSS 5.0) in Microsoft Windows 2000, published March 26, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 37.7%, the 98th percentile. No source names a fixed version.