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CVE-2002-1561

MediumPublished

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...

Published: Mar 26, 2003
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Oct 18, 2002

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

37.7%

Moderate · next 30 days

Percentile: 98.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (1)Exploit
lion · windows · Oct 22, 2002
Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (2)Exploit
Trancer · windows · Oct 22, 2002
Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (3)

Responsible use

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Exploit

Rapid7 · windows · Oct 18, 2002

Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (4)Exploit

anonymous · windows · Oct 18, 2002