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ABB Cylon Aspect 3.08.01 (jsonProxy.php) Username Enumeration
The jsonProxy.php endpoint on the ABB BMS/BAS controller is vulnerable to username enumeration. An unauthenticated attacker can interact with the UserManager servlet to enumerate valid usernames on the system. Since jsonProxy.php proxies requests to internal services without requiring authentication, attackers can gain unauthorized insights into valid usernames.