What’s Vulnerable › Vulnerabilities

CVE-2010-0020

• Severity: critical (CVSS 9.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 32.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-02-10 · updated 2026-06-16
• Weakness: CWE-20

Description

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate request fields, which allows remote authenticated users to execute arbitrary code via a malformed request, aka "SMB Pathname Overflow Vulnerability."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: all versions
• Microsoft Windows 7: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA10-040A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-012
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8438
• http://www.us-cert.gov/cas/techalerts/TA10-040A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-012
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8438

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