CVE-2021-42287: Active Directory Domain Services Elevation of Privilege Vulnerability

Published Nov 9, 2021
·
Updated

Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.

Other sources

Active Directory Domain Services Elevation of Privilege Vulnerability

NVD

Affected Software

34 affected componentsFixes available
Microsoft Active Directory
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2016<10.0.14393.4770
Microsoft Windows Server 2019<10.0.17763.2300
Microsoft Windows Server 2022<10.0.20348.350
Microsoft Windows Server 2012 R2<6.3.9600.20174
6.3.9600.20174
Microsoft Windows Server 2008 R2<6.1.7601.25769
6.1.7601.25769
Microsoft Windows Server 2012<6.2.9200.23517
6.2.9200.23517
Microsoft Windows Server 2012<6.2.9200.23517
6.2.9200.23517
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows Server 2012 R2<6.3.9600.20174
6.3.9600.20174
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server=20H2
10.0.19041.1348
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows Server 2008 R2<6.1.7601.25769
6.1.7601.25769
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server 2008<6.0.6003.21282
6.0.6003.21282
Microsoft Windows Server=2004
10.0.19041.1348
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300
Microsoft Windows Server 2004<10.0.19041.1348
Microsoft Windows Server 20h2<10.0.19042.1348

Event History

Nov 9, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Nov 10, 2021
CVE Published
via MITRE·12:47 AM
Data Sourced
via MITRE·12:47 AM
DescriptionSeverity
Data Sourced
via NVD·01:19 AM
RemedyDescriptionSeverityAffected Software
Apr 11, 2022
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Sep 10, 2024
News Published
via BleepingComputer·10:35 AM
News Published
via BleepingComputer·10:36 AM

Frequently Asked Questions

1

What is CVE-2021-42287?

CVE-2021-42287 is a privilege escalation vulnerability in Microsoft Active Directory Domain Services.

2

How does CVE-2021-42287 impact Microsoft Active Directory?

CVE-2021-42287 allows an attacker to elevate their privileges in Active Directory Domain Services, potentially gaining unauthorized access to sensitive information.

3

What is the severity of CVE-2021-42287?

CVE-2021-42287 has a severity rating of 8.8 (High).

4

Which versions of Microsoft Active Directory are affected by CVE-2021-42287?

CVE-2021-42287 affects Microsoft Active Directory on Windows Server 2008, 2012, 2016, 2019, and 2022.

5

How can I mitigate the CVE-2021-42287 vulnerability?

To mitigate CVE-2021-42287, apply the necessary security updates provided by Microsoft and follow best practices for securing Active Directory.

Contact

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