CVE-2002-1561

Name: CVE-2002-1561
Creator: NVD / NIST
Published: 2003-04-02T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 42.63%

Last modified Jun 16, 2026

CVE-2002-1561 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 42.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

42.63%

98.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows 2000	All versions
Microsoft	Windows 2000 Terminal Services	All versions
Microsoft	Windows Nt	4.0
Microsoft	Windows Xp	All versions

References

http://www.kb.cert.org/vuls/id/261537US Government Resource
http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0Vendor Advisory
http://www.securityfocus.com/bid/6005Exploit, Patch, Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59
http://www.kb.cert.org/vuls/id/261537US Government Resource
http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0Vendor Advisory
http://www.securityfocus.com/bid/6005Exploit, Patch, Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59

Timeline

Published: Apr 2, 2003
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-1561?

How severe is CVE-2002-1561?

Severity scoring for CVE-2002-1561 is pending analysis. The EPSS model estimates a 42.63% probability of exploitation in the next 30 days.

How do I fix CVE-2002-1561?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-1561?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST