An XML External Entity injection (XXE) vulnerability exists in Zoho ManageEngine Network Configuration Manager and OpManager before 12.3.214 via the RequestXML parameter in a /devices/ProcessRequest.do GET request. For example, the attacker can trigger the transmission of local files to an arbitrary remote FTP server.
A serialization vulnerability in Zoho ManageEngine Applications Manager before build 13740 allows for remote code execution on Windows via a payload on an SMB share.
In Zoho ManageEngine SupportCenter Plus before 8.1 Build 8109, there is HTML Injection and Stored XSS via the /ServiceContractDef.do contractName parameter.
Zoho ManageEngine OpManager before 12.3 Build 123196 does not require authentication for /oputilsServlet requests, as demonstrated by a /oputilsServlet?action=getAPIKey request that can be leveraged against Firewall Analyzer to add an admin user via /api/json/v2/admin/addUser or conduct a SQL Injection attack via the /api/json/device/setManaged name parameter.