CVE-2017-0171
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…
Does this matter?
Lower severity and a low EPSS score (4.06%). Track it; it rarely justifies an emergency change on its own.
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".
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.06% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
EPSS 4.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/98097Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0171Patch, Vendor Advisory
- http://www.securityfocus.com/bid/98097Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0171Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.