high7.5
CVE-2020-1228
<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries.
Impact
<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2008 | All versions Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | All versions Versions 1903, 1909, 2004 |
| Microsoft | Windows Server 2019 | All versions |