CVE-2025-40539
Type Confusion in Serv-U Allows Privileged Arbitrary Code Execution
Publication date: 2026-02-24
Last updated on: 2026-02-24
Assigner: SolarWinds
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| solarwinds | serv-u | to 15.5.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-704 | The product does not correctly convert an object, resource, or structure from one type to a different type. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
This vulnerability is a type confusion issue in Serv-U software. When exploited, it allows a malicious actor to execute arbitrary native code with privileged account rights.
Exploitation requires administrative privileges, meaning the attacker must already have high-level access to abuse this vulnerability.
On Windows systems, the risk is considered medium because services often run under less-privileged accounts by default, reducing the chance of full privilege exploitation.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to execute arbitrary code with privileged access, potentially leading to full system compromise.
This could result in unauthorized control over the affected system, data breaches, disruption of services, or further propagation of attacks within a network.