CVE-2022-22025
Published: 12 July 2022
Summary
CVE-2022-22025 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 2.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-22025 is a denial-of-service vulnerability in the Cachuri module of Windows Internet Information Services. The flaw received a CVSS 3.1 base score of 7.5, reflecting a network-accessible attack that requires no authentication or user interaction and impacts only availability.
An unauthenticated remote attacker can send specially crafted requests to an affected IIS server, triggering the Cachuri module to consume excessive resources and cause the service to become unresponsive. Successful exploitation therefore allows an adversary to interrupt web-site availability without needing credentials or prior access.
Microsoft’s security advisory directs administrators to apply the updates released on July 12, 2022, through the standard Windows Update or Microsoft Update Catalog channels; the guidance also notes that the vulnerability is addressed in the corresponding cumulative updates for supported Windows Server versions.
The CVE’s EPSS score reached a peak of 0.4674 and currently stands at 0.4034, indicating sustained exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27179
Vulnerability details
Windows Internet Information Services Cachuri Module Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.