CVE-2025-40547CWE-116

CVE-2025-40547

Critical · published November 18, 2025

CVSS v3.1
9.1
EPSS
1%
Percentile
61.5
In the wild
Unconfirmed
What it is

🚨 A sneaky logic error in Serv-U could hand over the keys to the kingdom to any admin! 🔥 Think of it as a restaurant where the head chef can cook up any dish they want, but suddenly, the kitchen staff can start using the chef's secret recipes without permission. If misused, it could lead to a full menu takeover! An attacker with admin rights could exploit this vulnerability to execute arbitrary code, potentially compromising entire systems. This could lead to data breaches, unauthorized access, or even complete system takeovers—definitely a recipe for disaster!

Put simply

Think of it as a restaurant where the head chef can cook up any dish they want, but suddenly, the kitchen staff can start using the chef's secret recipes without permission. If misused, it could lead to a full menu takeover! This logic error allows an admin with access to leverage their privileges to execute code inappropriately, thereby bypassing intended controls within the Serv-U system.

What to do

An attacker with admin rights could exploit this vulnerability to execute arbitrary code, potentially compromising entire systems. This could lead to data breaches, unauthorized access, or even complete system takeovers—definitely a recipe for disaster! Ensure all updates are applied immediately, focusing on the latest version which patches this vulnerability. Review your administrative access policies and limit privileges where possible to mitigate potential risks. Regularly audit for any unauthorized access to keep your systems secure! You've got this! By following these steps, you'll be one step closer to locking down your environment. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00970 · 61.5th percentile
Weakness
CWE-116 · Improper Encoding or Escaping of Output
Published
2025-11-18T14:15Z
Affected products (1)
ProductVersionsFixed in
solarwinds/serv-u< 15.5.315.5.3
References (2)
EPSS history
Timeline
  • 18 NOV 08:35Z
    SolarWinds Serv-U Logic Abuse - Remote Code Execution Vulnerability
    cvelistv5