CVE-2021-42282: Active Directory Domain Services Elevation of Privilege Vulnerability

Published Nov 9, 2021
·
Updated

Active Directory Domain Services Elevation of Privilege Vulnerability

Affected Software

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

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.20174Patch KB5007255
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.23517Patch KB5007245
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.25769Patch KB5007233
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.21282Patch KB5007246
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.4770Patch KB5007192
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19041.1348Patch KB5007186
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.350Patch KB5007205
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.2300Patch KB5007206

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
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-42282?

CVE-2021-42282 has been assigned a high severity rating due to its potential to allow elevation of privilege in Active Directory.

2

How do I fix CVE-2021-42282?

To mitigate CVE-2021-42282, you should apply the security updates provided by Microsoft for the affected versions of Windows Server.

3

Which versions of Windows Server are affected by CVE-2021-42282?

CVE-2021-42282 affects multiple Windows Server versions including 2008, 2012, 2016, 2019, 2022, and specifically the 20H2 update.

4

What type of vulnerability is CVE-2021-42282?

CVE-2021-42282 is classified as an elevation of privilege vulnerability within Active Directory Domain Services.

5

Can exploiting CVE-2021-42282 lead to further attacks?

Exploitation of CVE-2021-42282 could allow an attacker to gain higher privileges, potentially leading to broader system compromise.

Contact

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