CVE-2025-21225: Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
Overview
- Severity
- Medium (CVSS 5.9)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- Category
- Denial of Service
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2025-Jan
- Released
- 2025-01-14
- Last Updated
- 2025-01-14
- EPSS Score
- 0.33% (percentile: 55.6%)
FAQ
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
Affected Products (9)
Windows
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2025 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2025
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
Security Updates (5)
Acknowledgments
<p>ʌ!ↄ⊥ojv with Kunlun Lab</p>
Revision History
- 2025-01-14: Information published.
- 2025-01-14: Updated acknowledgment. This is an informational change only.