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CVE-2023-21817— Windows Kerberos Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Kerberos是美国微软（Microsoft）公司的一个用于在网络集群中进行身份验证的软件。Kerberos 同时作为一种网络认证协议，其设计目标是通过密钥系统为客户机/服务器应用程序提供强大的认证服务。 Microsoft Windows Kerberos存在安全漏洞。以下产品和版本受到影响：Windows 11 version 21H2 for x64-based Systems,Windows 11 version 21H2 for ARM64-based Sy

CVSS 7.8 · High EPSS 0.78% · P55

Possible ATT&CK Techniques 1 AI

T1558 · Steal or Forge Kerberos Tickets

Affected Version Matrix 23

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.19747 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.5717 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.4010 affected
10.0.0< 10.0.17763.4010 affected
Microsoft Windows 10 Version 20H2 10.0.0< 10.0.19042.2604 affected
Microsoft Windows 10 Version 21H2 10.0.19043.0< 10.0.19044.2604 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.2604 affected
Microsoft Windows 11 version 21H2 10.0.0< 10.0.22621.1574 affected
Microsoft Windows 11 version 22H2 10.0.22621.0< 10.0.22621.1265 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.21915 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.26366 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.26366 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.21915 affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0< 6.0.6003.21915 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.24116 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.24116 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.20821 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.20821 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.5717 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.5717 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.4010 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.4010 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.1547 affected
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I. Basic Information for CVE-2023-21817

Vulnerability Information
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Vulnerability Title
Windows Kerberos Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Kerberos Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Kerberos 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kerberos是美国微软（Microsoft）公司的一个用于在网络集群中进行身份验证的软件。Kerberos 同时作为一种网络认证协议，其设计目标是通过密钥系统为客户机/服务器应用程序提供强大的认证服务。 Microsoft Windows Kerberos存在安全漏洞。以下产品和版本受到影响：Windows 11 version 21H2 for x64-based Systems,Windows 11 version 21H2 for ARM64-based Sy
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.19747 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.5717 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.4010 -
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.4010 -
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.2604 -
Microsoft Windows 10 Version 21H2 10.0.19043.0 ~ 10.0.19044.2604 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.2604 -
Microsoft Windows 11 version 21H2 10.0.0 ~ 10.0.22621.1574 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.1265 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.21915 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.26366 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.26366 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.21915 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.21915 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.24116 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.24116 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.20821 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.20821 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.5717 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.5717 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.4010 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.4010 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.1547 -

II. Public POCs for CVE-2023-21817

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III. Intelligence Information for CVE-2023-21817

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Vendor Advisories for CVE-2023-21817 (1)

Same Patch Batch · Microsoft · 2023-02-14 · 78 CVEs total

CVE-2023-21689 9.8 CRITICAL Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner
CVE-2023-21690 9.8 CRITICAL Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner
CVE-2023-21692 9.8 CRITICAL Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulner
CVE-2023-21803 9.8 CRITICAL Windows iSCSI Discovery Service Remote Code Execution Vulnerability
CVE-2023-21716 9.8 CRITICAL Microsoft Word Remote Code Execution Vulnerability
CVE-2023-21686 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2023-21707 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-21706 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-21684 8.8 HIGH Microsoft PostScript and PCL6 Class Printer Driver Remote Code Execution Vulnerability
CVE-2023-21705 8.8 HIGH Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2023-21717 8.8 HIGH Microsoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2023-21529 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-21797 8.8 HIGH Microsoft ODBC Driver Remote Code Execution Vulnerability
CVE-2023-21798 8.8 HIGH Microsoft ODBC Driver Remote Code Execution Vulnerability
CVE-2023-21799 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2023-21685 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2023-21713 8.8 HIGH Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2023-21777 8.7 HIGH Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
CVE-2023-23374 8.3 HIGH Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2023-21806 8.2 HIGH Power BI Report Server Spoofing Vulnerability

Showing top 20 of 78 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-287

V. Comments for CVE-2023-21817

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