Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-42277
CVE-2021-42277:
vulnerability analysis and mitigation
Overview
CVE-2021-42277 is a privilege escalation vulnerability discovered in Microsoft Windows Diagnostics Hub Standard Collector Service. The vulnerability was reported on August 10, 2021, and publicly disclosed on November 11, 2021 (ZDI Advisory).
Technical details
The vulnerability exists within the Microsoft Diagnostics Hub Standard Collector Service. The specific flaw allows attackers to abuse the service to delete a directory by creating a symbolic link. The vulnerability has been assigned a CVSS score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating a high severity level (ZDI Advisory).
Impact
When successfully exploited, this vulnerability enables local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM, effectively gaining complete control over the affected system (ZDI Advisory).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to apply the latest security updates through the Microsoft Update mechanism (ZDI Advisory).
Additional resources
Source: This report was generated using AI
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