Nuuo Central Management Server 2.4 Authenticated Arbitrary File Upload
Posted on 20 February 2019
The COMMITCONFIG verb is used by a CMS client to upload and modify the configuration of the CMS Server. The vulnerability is in the FileName parameter, which accepts directory traversal (..\..\) characters. Therefore, this function can be abused to overwrite any files in the installation drive of CMS Server. This vulnerability is exploitable in CMS versions up to and including 2.4.
