Zoho ManageEngine Desktop Central and Desktop Central MSP before 10.1.2137.2 allow directory traversal via computerName to AgentLogUploadServlet. A remote, authenticated attacker could upload arbitrary code that would be executed when Desktop Central is restarted. (The attacker could authenticate by exploiting CVE-2021-44515.)
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.