# CVE-2002-1561

## Summary

- **CVE ID:** CVE-2002-1561
- **Severity:** UNKNOWN
- **CVSS Score:** 2.49
- **CWE:** N/A
- **Published:** Mar 26, 2003
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/bid/6005)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010)
- [CNA](http://www.kb.cert.org/vuls/id/261537)
- [CNA](http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 62.24%
- **EPSS Percentile:** 98.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._