CVE-2025-21225

MEDIUM

Windows Server 2016/2019/2022/2025 RD Gateway DoS

Title source: llm
STIX 2.1

Description

Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21225

Scores

CVSS v3 5.9
EPSS 0.0150
EPSS Percentile 70.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-843
Status published
Products (13)
Microsoft/Windows Server 2016 10.0.14393.0 - 10.0.14393.7699
Microsoft/Windows Server 2016 (Server Core installation) 10.0.14393.0 - 10.0.14393.7699
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.3091
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 - 10.0.25398.1369
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.2894
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.2894
microsoft/windows_server_2016 < 10.0.14393.7699
microsoft/windows_server_2019 < 10.0.17763.6775
... and 3 more
Published Jan 14, 2025
Tracked Since Feb 18, 2026