ThingsBoard 3.4.1 could allow a remote authenticated attacker to achieve Vertical Privilege Escalation. A Tenant Administrator can obtain System Administrator dashboard access by modifying the scope via the scopes parameter.

ThingsBoard 3.4.1 could allow a remote attacker to gain elevated privileges because hard-coded service credentials (usable for privilege escalation) are stored in an insecure format. (To read this stored data, the attacker needs access to the application server or its source code.)

Cross Site Scripting (XSS) vulnerability in Things Board 3.4.1 allows remote attackers to escalate privilege via crafted URL to the Audit Log.