What’s Vulnerable › Vulnerabilities

CVE-2003-0661

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 25.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-09-04 · updated 2026-06-16

Description

The NetBT Name Service (NBNS) for NetBIOS in Windows NT 4.0, 2000, XP, and Server 2003 may include random memory in a response to a NBNS query, which could allow remote attackers to obtain sensitive information.

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: enterprise, enterprise_64-bit, r2, standard, web
• 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/989932
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483
• http://www.kb.cert.org/vuls/id/989932
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483

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