Not Failing Securely ('Failing Open') in Microsoft Windows and Windows Server - CVE-2024-43532
Published: October 8, 2024 / Updated: October 23, 2024
Vulnerability identifier: #VU98219
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-43532
CWE-ID: CWE-636
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to escalate privileges in Active Directory domain.
The vulnerability exists due to the way the Remote Registry client handles RPC authentication during certain fallback scenarios when SMB transport is unavailable. A remote user can authenticated against the AD server, intercept the NTLM authentication handshake from the client and forward it to another service, such as the (ADCS), and create a new domain administrator.
Successful exploitation of the vulnerability may allows a domain user to take over the entire AD.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2024-43532
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5011, 10 22H2 10.0.19045.5011, 10 1507 10.0.10240.20796, 10 1607 10.0.14393.7428, 10 1809 10.0.17763.6414, 11 21H2 10.0.22000.3260, 11 22H2 10.0.22621.4317, 11 23H2 10.0.22631.4317, 11 24H2 10.0.26100.2033
Windows Server - addressed in versions 2008 R2 6.1.7601.27366, 2008 6.0.6003.22918, 2012 R2 6.3.9600.22221, 2012 6.2.9200.25118, 2022 23H2 10.0.25398.1189, 2022 10.0.20348.2762
Windows Server - addressed in versions 2008 R2 6.1.7601.27366, 2008 6.0.6003.22918, 2012 R2 6.3.9600.22221, 2012 6.2.9200.25118, 2022 23H2 10.0.25398.1189, 2022 10.0.20348.2762