CVE-2025-40549

CRITICAL
Published Nov 18, 2025 Modified Dec 2, 2025 CWE-22

Description

A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.

CVSS v3.1 Score

9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor Product
solarwinds serv-u

References

Frequently Asked Questions

What is CVE-2025-40549? +
A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled. It has a CVSS v3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2025-40549? +
CVE-2025-40549 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-40549? +
CVE-2025-40549 affects products from solarwinds, specifically: serv-u. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-40549? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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