An issue was discovered in the Self Service Portal in Zoho ManageEngine Desktop Central before 10.0.282. A clickable company logo in a window running as SYSTEM can be abused to escalate privileges. In cloud, the issue is fixed in 10.0.470 agent version.
manageengine_desktop_central
CVE-2020-8540
An XML external entity (XXE) vulnerability in Zoho ManageEngine Desktop Central before the 07-Mar-2020 update allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.
CVE-2020-8509
Zoho ManageEngine Desktop Central before 10.0.483 allows unauthenticated users to access PDFGenerationServlet, leading to sensitive information disclosure.
CVE-2020-28050
Zoho ManageEngine Desktop Central before build 10.0.647 allows a single authentication secret from multiple agents to communicate with the server.
CVE-2020-24397
An issue was discovered in the client side of Zoho ManageEngine Desktop Central 10.0.0.SP-534. An attacker-controlled server can trigger an integer overflow in InternetSendRequestEx and InternetSendRequestByBitrate that leads to a heap-based buffer overflow and Remote Code Execution with SYSTEM privileges.
CVE-2020-15589
A design issue was discovered in GetInternetRequestHandle, InternetSendRequestEx and InternetSendRequestByBitrate in the client side of Zoho ManageEngine Desktop Central 10.0.552.W and Remote Access Plus before 10.1.2119.1. By exploiting this issue, an attacker-controlled server can force the client to skip TLS certificate validation, leading to a man-in-the-middle attack against HTTPS and unauthenticated remote code execution.