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CVE-2002-1561

5.0 · MEDIUM

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 TC…

Published Apr 2, 2003microsoftEPSS 37.73%

Overview

CVE-2002-1561 is a medium-severity vulnerability affecting microsoft windows_2000. It was published on April 2, 2003 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.kb.cert.org/vuls/id/261537Refwww.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0Refwww.securityfocus.com/bid/6005Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59Refwww.kb.cert.org/vuls/id/261537Refwww.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0Refwww.securityfocus.com/bid/6005Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59

How CyberStrike helps

Frequently asked questions

What is CVE-2002-1561?

CVE-2002-1561 is a medium-severity vulnerability affecting microsoft windows_2000. It was published on April 2, 2003 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2002-1561?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2002-1561?

Check the references section for vendor advisories and patches from microsoft. Update windows_2000 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2002-1561?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2002-1561 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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