Cyber Posture

CVE-2025-21330

High

Published: 14 January 2025

Published
14 January 2025
Modified
21 January 2025
KEV Added
—
Patch
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CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0131 79.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Windows Remote Desktop Services Denial of Service Vulnerability

Security Summary

CVE-2025-21330 is a Denial of Service vulnerability in Windows Remote Desktop Services. Published on 2025-01-14, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) and is associated with CWE-400 (Uncontrolled Resource Consumption) as well as NVD-CWE-noinfo.

Unauthenticated attackers on the network can exploit this vulnerability with low attack complexity and no user interaction required. Successful exploitation results in a high impact to availability, enabling denial of service against the affected Remote Desktop Services component without compromising confidentiality or integrity.

The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21330 provides details on mitigation and available patches.

Details

CWE(s)
CWE-400NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1809
≤ 10.0.17763.6775 · ≤ 10.0.17763.6775
microsoft
windows 10 21h2
≤ 10.0.19044.5371
microsoft
windows 10 22h2
≤ 10.0.19045.5371
microsoft
windows 11 22h2
≤ 10.0.22621.4751
microsoft
windows 11 23h2
≤ 10.0.22631.4751
microsoft
windows 11 24h2
≤ 10.0.26100.2894
microsoft
windows server 2019
≤ 10.0.17763.6775
microsoft
windows server 2022
≤ 10.0.20348.3091
microsoft
windows server 2022 23h2
≤ 10.0.25398.1369
microsoft
windows server 2025
≤ 10.0.26100.2894

References