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Incorrect Default Permissions


Severity High
Score 7.8/10


An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView series 3.1.8 installation. Depending on the vector chosen, an attacker can either add code to a script or replace a binary.By default MXViewService, which starts as a NT SYSTEM authority user executes a series of Node.Js scripts to start additional application functionality and among them the mosquitto executable is also run.

  • LOW
  • HIGH
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-276 - Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.


Advisory Timeline

  • Published