SolarWinds Serv-U Broken Access Control Remote Code Execution Vulnerability

Vulnerability

A broken access control vulnerability in SolarWinds Serv-U allows an attacker with administrative privileges to create a system admin user and execute arbitrary code as a privileged account. This vulnerability can be exploited using domain admin or group admin privileges. On Windows deployments, the risk is considered medium, as services typically run under less-privileged accounts by default.

Impact

Exploitation of this vulnerability could lead to the creation of a system admin user and the execution of arbitrary code as a privileged account, potentially with root access.

Remediation

Users are advised to upgrade to Serv-U version 15.5.4, which addresses this vulnerability. For instructions on upgrading, see the SolarWinds Serv-U upgrade guide.

Added: Feb 24, 2026, 8:20 AM
Updated: Feb 24, 2026, 2:22 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
10.0
exploitability
5.0
remediation
7.7
relevance
3.1
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.