STER uses unencrypted TCP traffic to transmit data over the network. It allows an attacker to conduct a Man-In-The-Middle attack and obtain sensitive data such as passwords, personal data, or authentication tokens. This issue was fixed in version 9.5.

Use of a weak password encoding algorithm in STER software allows the value of the password to be guessed after analyzing how passwords with known values are encoded. This issue was fixed in version 9.5.

A SQL injection vulnerability has been identified in STER. Improper neutralization of input provided by user into multiple Search Filters allows for SQL Injection attacks. It allows an authenticated attacker to view sensitive data such as data belonging to other users, or any other data that the application itself is able to access This issue was fixed in version 9.5.