Type Confusion in Windows Server - CVE-2025-21225
Published: January 14, 2025
Vulnerability identifier: #VU102670
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-21225
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error in Windows Remote Desktop Gateway (RD Gateway). A remote attacker can pass specially crafted data to the application, trigger a type confusion error and cause a denial of service on the target system.
How to mitigate CVE-2025-21225
Install updates from vendor's website.