Medium [CVE-2020-1123] Connected User Experiences and Telemetry Service Denial of Service Vulnerability
This medium-severity Microsoft Server advisory covers CVE-2020-1123 affecting Windows Server 2016 (Server Core installation), Windows Server 2019 (Server Core installation), Windows Server, version 1803 (Server Core Installation).
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Summary
A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could cause a system to stop responding.
To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.
Affected products named by the advisory: Windows Server 2016; Windows Server 2016 (Server Core installation); Windows Server 2019; Windows Server 2019 (Server Core installation); and 3 more.
Affected products named by the advisory: Windows Server, version 1803 (Server Core Installation); Windows Server, version 1903 (Server Core installation); Windows Server, version 1909 (Server Core installation).
- Windows 10 Version 1507 10.0.10240.0 before publication
- Windows 10 Version 1607 10.0.14393.0 before publication
- Windows 10 Version 1709 10.0.0 before publication
- Windows 10 Version 1709 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1803 10.0.0 before publication
- Windows 10 Version 1809 10.0.17763.0 before publication
- Windows 10 Version 1809 10.0.0 before publication
- Windows 10 Version 1903 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1903 for ARM64-based Systems 10.0.0 before publication
- Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
- Windows 10 Version 1909 10.0.0 before publication
- Windows Server 2016 10.0.14393.0 before publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service handles file operations.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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