Servisnet Tessa Privilege Escalation

Posted on 04 February 2022

This Metasploit module exploits privilege escalation in Servisnet Tessa triggered by the add new sysadmin user flow with any user authorization. An API request to "/data-service/users/[userid]" with any low-authority user returns other users' information in response. The encrypted password information is included here, but privilege escalation is also possible with the active sessionid value.