Fortinet FortiClientEMS 7.4.0

An observable response discrepancy vulnerability [CWE-204] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, and FortiSOAR 7.5.0, 7.4.0 through 7.4.4, 7.3.0 through 7.3.2, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow an unauthenticated attacker to enumerate valid users via observing login request responses.

An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to bypass the trusted host feature via session connection.

An improper authentication vulnerability [CWE-287] in Fortinet FortiClientEMS version 7.4.0 and before 7.2.4 allows an unauthenticated attacker with the knowledge of the targeted user's FCTUID and VDOM to perform operations such as uploading or tagging on behalf of the targeted user via specially crafted TCP requests.