CVE-2021-45008

Privilege Escalation from user to admin

Affected product and version: Plesk Obsidian 18.0.37

Severity: Critical

Impact: Gain high privilege from user to admin and access critical information

Description: insecure permissions vulnerability that allows unprivilege user to get admin rights.

Steps to reproduce:

  1. Login with user account with low roles
  2. Capture the request with burp

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  1. Will note that the Super admin flag parameter is false
  2. Forward the request to login

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  1. Now logout and enter credentials to login again and capture the request

  2. Change the value of Super admin flag parameter from false to true and forward the request image

  3. Will see more information like bank account and other info

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