Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
This vulnerability could be exploited over the network by making an unauthenticated, specially crafted call to a Network File System (NFS) service to trigger a Remote Code Execution (RCE).
What version of Network File System (NFS) is affected by this vulnerability?
Servers that have Network File System version 4.0 (NFS 4.0) installed are affected by this vulnerability.
I am running a supported version of Windows Server. Is my system vulnerable to this issue?
This vulnerability is only exploitable for systems that have the NFS role enabled. See NFS Overview for more information on this feature. More information on installing or uninstalling Roles or Role Services is available here.
Security updates
10.0.20348.887 — https://support.microsoft.com/help/5016627
Vulnerabilities 1
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Critical 9.8
Windows Network File System Remote Code Execution Vulnerability
Windows Network File System Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2022-34715 Windows Network File System Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34715
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss