What’s Vulnerable › Vulnerabilities

CVE-2002-1561

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 37.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-04-02 · updated 2026-06-16

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

• Microsoft Windows 2000: all versions
• Microsoft Windows 2000 Terminal Services: all versions
• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5 (+2)
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.kb.cert.org/vuls/id/261537
• http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0
• http://www.securityfocus.com/bid/6005
• 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/261537
• http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0
• http://www.securityfocus.com/bid/6005
• 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

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