CVE-2020-1120 — A denial of service vulnerability exists when Connected User Experiences and Tel

A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations, aka 'Connected User Experiences and Telemetry Service Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-1244.

01What is this vulnerability?

A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations, aka 'Connected User Experiences and Telemetry Service Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-1244.

02Affected products

Vendor	Product	Versions
Microsoft	Windows 10 Version 2004 for 32	bit Systems — unspecified
Microsoft	Windows 10 Version 2004 for x64	based Systems — unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	unspecified
Microsoft	Windows 10 Version 2004 for ARM64	based Systems — unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-06-09T19:43:15.000Z
• Last modified: 2024-08-04T06:25:01.087Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1120