What’s Vulnerable › Vulnerabilities

CVE-2017-0171

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-12 · updated 2026-06-17
• Weakness: CWE-20

Description

Windows DNS Server allows a denial of service vulnerability when Microsoft Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 Gold and R2, and Windows Server 2016 are configured to answer version queries, aka "Windows DNS Server Denial of Service Vulnerability".

Affected products

• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: all versions

References

• http://www.securityfocus.com/bid/98097
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0171
• http://www.securityfocus.com/bid/98097
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0171

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