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CVE-2021-36949— Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability

Quick assessment

Affected
Microsoft Azure Active Directory Connect Provisioning Agent
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Azure和Microsoft Azure Active Directory Connect（ADC）都是美国微软（Microsoft）公司的产品。Microsoft Azure是一套开放的企业级云计算平台。Microsoft Azure Active Directory Connect是一个提供了云端的身份和访问管理的服务。 Microsoft Microsoft Azure Active Directory Connect存在授权问题漏洞。以下产品和版本受到影响：Microsoft

CVSS 7.1 · High EPSS 1.39% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Microsoft Azure Active Directory Connect Provisioning Agent 1.1.0.0< 1.1.582.0 affected
Microsoft Microsoft Azure Active Directory Connect 1.X.Y.Z 1.0.0.0< 1.6.11.3 affected
Microsoft Microsoft Azure Active Directory Connect 2.0.X.Y 2.0.0.0< 2.0.8.0 affected
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I. Basic Information for CVE-2021-36949

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure和Microsoft Azure Active Directory Connect 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure和Microsoft Azure Active Directory Connect（ADC）都是美国微软（Microsoft）公司的产品。Microsoft Azure是一套开放的企业级云计算平台。Microsoft Azure Active Directory Connect是一个提供了云端的身份和访问管理的服务。 Microsoft Microsoft Azure Active Directory Connect存在授权问题漏洞。以下产品和版本受到影响：Microsoft
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 Azure Active Directory Connect Provisioning Agent 1.1.0.0 ~ 1.1.582.0 -
Microsoft Microsoft Azure Active Directory Connect 1.X.Y.Z 1.0.0.0 ~ 1.6.11.3 -
Microsoft Microsoft Azure Active Directory Connect 2.0.X.Y 2.0.0.0 ~ 2.0.8.0 -

II. Public POCs for CVE-2021-36949

# POC Description Source Link Shenlong Link
1 check if Azure AD Connect is affected by the vulnerability described in CVE-2021-36949 https://github.com/Maxwitat/Check-AAD-Connect-for-CVE-2021-36949-vulnerability POC Details
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III. Intelligence Information for CVE-2021-36949

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Vendor Advisories for CVE-2021-36949 (2)

Same Patch Batch · Microsoft · 2021-08-12 · 45 CVEs total

CVE-2021-26424 9.9 CRITICAL Windows TCP/IP Remote Code Execution Vulnerability
CVE-2021-26432 9.8 CRITICAL Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
CVE-2021-36947 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34535 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-36936 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34524 8.1 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-34536 7.8 HIGH Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-36937 7.8 HIGH Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability
CVE-2021-34483 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2021-36941 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-26425 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-36948 7.8 HIGH Windows Update Medic Service Elevation of Privilege Vulnerability
CVE-2021-36927 7.8 HIGH Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerabil
CVE-2021-34484 7.8 HIGH Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2021-34537 7.8 HIGH Windows Bluetooth Driver Elevation of Privilege Vulnerability
CVE-2021-34478 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-34533 7.8 HIGH Windows Graphics Component Font Parsing Remote Code Execution Vulnerability
CVE-2021-36958 7.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34530 7.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2021-34486 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability

Showing top 20 of 45 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Microsoft

V. Comments for CVE-2021-36949

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