NCH Axon PBX Directory Traversal Vulnerability (CNVD-2021-55910)

NCH Axon PBX is a set of virtual telephone switch software used in commercial environments. The NCH Axon PBX has a security vulnerability that could be exploited to send a constructed URL request to the logdelete function, which contains the "dot-dot" sequence in the file parameter /... /. to vie...