Nssm-2.24 Privilege Escalation __link__

But the real prize is . On many systems, authenticated users can enumerate and modify NSSM-managed services due to overly permissive service security descriptors.

: Version 2.24 was released in 2014 and remains the standard "stable" version bundled with many older applications.

Controllable parameters or configuration files nssm-2.24 privilege escalation

In the Windows ecosystem, tools that simplify complex tasks often become hidden pillars of system management. One such tool is NSSM (the Non-Sucking Service Manager), a lightweight utility that wraps standard executables as Windows services. Its latest stable release, version 2.24, has been widely adopted across corporate environments, development workflows, and even critical industrial systems. However, this popularity has come at a cost. NSSM-2.24 and its surrounding ecosystem have become a recurring vector for privilege escalation attacks. This article explores the specific vulnerabilities that turn this mundane tool into an attack vector, the technical mechanics of the exploits, and the definitive steps to secure it.

High Attack Vector: Local Privileges Required: Low-privileged user (Authenticated, non-admin) User Interaction: None But the real prize is

by third-party software allows for local privilege escalation (LPE) Phoenix Contact

Attackers use Windows built-in tools or scripts like PowerUp to find services with weak permissions. A manual command looks like this: However, this popularity has come at a cost

Attackers typically target NSSM-managed services through the following methods: Unquoted Service Paths

Ensure standard users do not have write access to these registry hives. Detection Strategies for Security Teams

The original NSSM source code (version 2.24) also contains a behavioral vulnerability. When NSSM runs without administrator rights but requires privilege elevation to complete an action (such as starting a service that requires high privileges), the program may enter a crash and restart loop.

sc config MyNSSMService binPath= "C:\Program Files\SecureApp\app.exe" obj="NT AUTHORITY\LocalService"