Vulnerability · Published Oct 13, 2021 · Assigned by microsoft

CVE-2021-40469Windows DNS Server Remote Code Execution Vulnerability

High 7.2

In plain English

A high-severity security flaw in Windows Server 2008 R2 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.6% (higher than 95% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)7.6%top 5.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Windows DNS Server Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.0 – before 10.0.17763.2237
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before 10.0.17763.2237
Microsoft Windows Server 2022 10.0.0 – before 10.0.20348.288
Microsoft Windows Server version 2004 10.0.0 – before 10.0.19041.1288
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1288
Microsoft Windows Server 2016 10.0.0 – before 10.0.14393.4704
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 – before 10.0.14393.4704
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.21251
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.0 – before 6.0.6003.21251
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.21251
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.0 – before 6.1.7601.25740
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 – before 6.1.7601.25740
Microsoft Windows Server 2012 6.2.0 – before 6.2.9200.23490
Microsoft Windows Server 2012 (Server Core installation) 6.2.0 – before 6.2.9200.23490
Microsoft Windows Server 2012 R2 6.3.0 – before 6.3.9600.20144
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 – before 6.3.9600.20144

References