MSRC-CVE-2025-21207 — Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of availability (A:H). What does that mean for this vulnerability?
An attacker can send specially crafted packets which could affect availability of the service and result in Denial of Service (DoS).

Security updates
10.0.17763.6775 — https://support.microsoft.com/help/5050008
10.0.20348.3091 — https://support.microsoft.com/help/5049983
10.0.19044.5371 — https://support.microsoft.com/help/5049981
10.0.22621.4751 — https://support.microsoft.com/help/5050021
10.0.26100.2894 — https://support.microsoft.com/help/5050009
10.0.25398.1369 — https://support.microsoft.com/help/5049984

Vulnerabilities 1

High 7.5

CVE-2025-21207

Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability

Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Jan 14, 2025

Revision history

2025-01-14 #1
Information published.

References

CVE-2025-21207 Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21207
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss