Vulnerability · Published Jul 14, 2021 · Assigned by microsoft
CVE-2021-34525Windows DNS Server Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity security flaw in Windows Server 2012 R2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)2.3%top 17.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Windows DNS Server Remote Code Execution Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – before 6.3.9600.20069 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – before 6.3.9600.20069 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – before 10.0.14393.4530 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – before 10.0.14393.4530 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – before 10.0.17763.2061 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – before 10.0.17763.2061 |
| Microsoft | Windows Server version 2004 | 10.0.0 – before 10.0.19041.1110 |
| Microsoft | Windows Server version 20H2 | 10.0.0 – before 10.0.19042.1110 |
References
- Windows DNS Server Remote Code Execution Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34525 x_refsource_MISC, x_transferred