Incorrect Default Permissions
CVE-2020-13537
Summary
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
- LOCAL
- HIGH
- UNCHANGED
- NONE
- LOW
- HIGH
- HIGH
CWE-276 - Incorrect Default Permissions
During installation, installed file permissions are set to allow anyone to modify those files.
References
Advisory Timeline
- Published