Windows
CVE-2025-40538
CRITICAL
Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges.
This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.
AnalysisAI
Broken access control in SolarWinds Serv-U allows unauthorized user creation by exploiting privilege assignment flaws. First of four critical Serv-U vulnerabilities.
Technical ContextAI
CWE-269 improper privilege management. Exploitation allows creation of unauthorized administrative accounts.
RemediationAI
Apply SolarWinds security update addressing all four Serv-U CVEs.
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Same weakness CWE-269 – Improper Privilege Management
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External POC / Exploit Code
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