// For flags

CVE-2021-27063

Windows DNS Server Denial of Service Vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Windows DNS Server Denial of Service Vulnerability

Una Vulnerabilidad de DenegaciĆ³n de Servicio del Servidor DNS de Windows. Este ID de CVE es diferente de CVE-2021-26896

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2021-02-10 CVE Reserved
  • 2021-03-11 CVE Published
  • 2024-10-01 CVE Updated
  • 2024-10-06 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
r2
Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"
sp1, x64
Affected
Microsoft
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Windows Server 2008
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sp2
Search vendor "Microsoft" for product "Windows Server 2008" and version "sp2"
-
Affected
Microsoft
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Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
sp2
Search vendor "Microsoft" for product "Windows Server 2008" and version "sp2"
x86
Affected
Microsoft
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Windows Server 2012
Search vendor "Microsoft" for product "Windows Server 2012"
--
Affected
Microsoft
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Windows Server 2012
Search vendor "Microsoft" for product "Windows Server 2012"
r2
Search vendor "Microsoft" for product "Windows Server 2012" and version "r2"
-
Affected
Microsoft
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Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
--
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2016
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20h2
Search vendor "Microsoft" for product "Windows Server 2016" and version "20h2"
-
Affected
Microsoft
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Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
1909
Search vendor "Microsoft" for product "Windows Server 2016" and version "1909"
-
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
2004
Search vendor "Microsoft" for product "Windows Server 2016" and version "2004"
-
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2019
Search vendor "Microsoft" for product "Windows Server 2019"
--
Affected