CVE-2024-20674: Windows Kerberos Security Feature Bypass Vulnerability

Published Jan 9, 2024
·
Updated

Windows Kerberos Security Feature Bypass Vulnerability

Affected Software

62 affected componentsFixes available
Microsoft Windows 10 1507<10.0.10240.20402
Microsoft Windows 10 1507<10.0.10240.20402
Microsoft Windows 10 1607<10.0.14393.6614
Microsoft Windows 10 1607<10.0.14393.6614
Microsoft Windows 10 1809<10.0.17763.5329
Microsoft Windows 10 1809<10.0.17763.5329
Microsoft Windows 10 1809<10.0.17763.5329
Microsoft Windows 10 21h2<10.0.19044.3930
Microsoft Windows 10 21h2<10.0.19044.3930
Microsoft Windows 10 21h2<10.0.19044.3930
Microsoft Windows 10 22h2<10.0.19045.3930
Microsoft Windows 10 22h2<10.0.19045.3930
Microsoft Windows 10 22h2<10.0.19045.3930
Microsoft Windows 11 21h2<10.0.22000.2713
Microsoft Windows 11 21h2<10.0.22000.2713
Microsoft Windows 11 22h2<10.0.22621.3007
Microsoft Windows 11 22h2<10.0.22621.3007
Microsoft Windows 11 23h2<10.0.22631.3007
Microsoft Windows 11 23h2<10.0.22631.3007
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 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2008 R2<6.1.7601.26910
6.1.7601.26910
Microsoft Windows Server 2008<6.0.6003.22464
6.0.6003.22464
Microsoft Windows Server 2012 R2<6.3.9600.21765
6.3.9600.21765
Microsoft Windows Server 2012<6.2.9200.24664
6.2.9200.24664
Microsoft Windows Server 2008<6.0.6003.22464
6.0.6003.22464
Microsoft Windows Server 2012 R2<6.3.9600.21765
6.3.9600.21765
Microsoft Windows Server 2012<6.2.9200.24664
6.2.9200.24664
Microsoft Windows Server 2008<6.0.6003.22464
6.0.6003.22464
Microsoft Windows Server 2008 R2<6.1.7601.26910
6.1.7601.26910
Microsoft Windows Server 2008<6.0.6003.22464
6.0.6003.22464
Microsoft Windows Server 2016<10.0.14393.6614
10.0.14393.6614
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.643
10.0.25398.643
Microsoft Windows 11=23H2
10.0.22631.3007
Microsoft Windows 11=23H2
10.0.22631.3007
Microsoft Windows Server 2016<10.0.14393.6614
10.0.14393.6614
Microsoft Windows 10<10.0.10240.20402
10.0.10240.20402
Microsoft Windows 10=1607
10.0.14393.6614
Microsoft Windows 10<10.0.10240.20402
10.0.10240.20402
Microsoft Windows 10=1607
10.0.14393.6614
Microsoft Windows 10=22H2
10.0.19045.3930
Microsoft Windows 10=22H2
10.0.19045.3930
Microsoft Windows 11=22H2
10.0.22621.3007
Microsoft Windows 10=21H2
10.0.19044.3930
Microsoft Windows 10=22H2
10.0.19045.3930
Microsoft Windows 11=22H2
10.0.22621.3007
Microsoft Windows Server 2019<10.0.17763.5329
10.0.17763.5329
Microsoft Windows 10=21H2
10.0.19044.3930
Microsoft Windows Server 2022<10.0.20348.2227
10.0.20348.2227
Microsoft Windows 10=1809
10.0.17763.5329
Microsoft Windows 11=21H2
10.0.22000.2713
Microsoft Windows 11=21H2
10.0.22000.2713
Microsoft Windows Server 2019<10.0.17763.5329
10.0.17763.5329
Microsoft Windows Server 2022<10.0.20348.2227
10.0.20348.2227
Microsoft Windows 10=21H2
10.0.19044.3930
Microsoft Windows 10=1809
10.0.17763.5329
Microsoft Windows 10=1809
10.0.17763.5329

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 6.0.6003.22464Patch KB5034176
  2. Upgrade

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

    Fixed in 6.1.7601.26910Patch KB5034167
  3. Upgrade

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

    Fixed in 6.3.9600.21765Patch KB5034171
  4. Upgrade

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

    Fixed in 6.2.9200.24664Patch KB5034184
  5. Upgrade

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

    Fixed in 10.0.14393.6614Patch KB5034119
  6. Upgrade

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

    Fixed in 10.0.25398.643Patch KB5034130
  7. Upgrade

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

    Fixed in 10.0.22631.3007Patch KB5034123
  8. Upgrade

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

    Fixed in 10.0.10240.20402Patch KB5034134
  9. Upgrade

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

    Fixed in 10.0.19045.3930Patch KB5034122
  10. Upgrade

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

    Fixed in 10.0.22621.3007Patch KB5034123
  11. Upgrade

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

    Fixed in 10.0.19044.3930Patch KB5034122
  12. Upgrade

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

    Fixed in 10.0.17763.5329Patch KB5034127
  13. Upgrade

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

    Fixed in 10.0.20348.2227Patch KB5034129
  14. Upgrade

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

    Fixed in 10.0.22000.2713Patch KB5034121

Event History

Jan 9, 2024
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
News Published
via The Register·10:26 PM
Jan 19, 2024
News Published
via The Register·09:53 PM
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Frequently Asked Questions

1

What is the severity of CVE-2024-20674?

The severity of CVE-2024-20674 is considered critical as it allows attackers to bypass security features in the Kerberos authentication protocol.

2

How do I fix CVE-2024-20674?

To fix CVE-2024-20674, apply the security updates provided by Microsoft for the affected Windows versions.

3

Which Windows versions are affected by CVE-2024-20674?

CVE-2024-20674 affects various versions of Windows 10, Windows 11, and Windows Server, including specific builds like 21H2 and 22H2.

4

What impact does CVE-2024-20674 have on security?

CVE-2024-20674 may allow unauthorized access to sensitive information by bypassing security controls in the Kerberos authentication process.

5

Is there a workaround for CVE-2024-20674?

No official workaround exists for CVE-2024-20674; applying the security patches is the recommended action.

Contact

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