CVE-2025-40549

CRITICAL

Solarwinds Serv-u < 15.5.3 - Path Traversal

Title source: rule

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.

References (2)

[Release Notes] https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-3_release_notes.htm

[Patch, Vendor Advisory] https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40549

Scores

CVSS v3 9.1

EPSS 0.0024

EPSS Percentile 47.0%

Attack Vector NETWORK

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

Classification

CWE

CWE-22

Status published

Affected Products (1)

solarwinds/serv-u < 15.5.3

Timeline

Published Nov 18, 2025

Tracked Since Feb 18, 2026