CVE-2025-21270
Published: 14 January 2025
Summary
CVE-2025-21270 is a high-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Microsoft Windows 10 1507. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked in the top 20.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SC-5 (Denial-of-service Protection) and SC-6 (Resource Availability).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Requires timely flaw remediation, directly mitigating the MSMQ DoS vulnerability through patching as per Microsoft guidance.
Implements denial-of-service protections that prevent remote unauthenticated attackers from causing high availability impact via MSMQ exploitation.
Enforces resource allocation limits to counter the CWE-400 uncontrolled resource consumption leading to DoS in MSMQ.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
CVE enables remote exploitation of MSMQ to crash the service, directly matching application/system exploitation for endpoint DoS.
NVD Description
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Deeper analysisAI
CVE-2025-21270 is a Denial of Service vulnerability in Microsoft Message Queuing (MSMQ). Published on 2025-01-14T18:15:46.503, 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 and NVD-CWE-noinfo.
Remote attackers require no privileges or user interaction to exploit this vulnerability over the network with low complexity. Successful exploitation leads to high availability impact, enabling denial of service without affecting confidentiality or integrity.
Microsoft provides mitigation guidance in its Security Update Guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21270.
Details
- CWE(s)