var-202004-0067
Vulnerability from variot
WebAccess/NMS (versions prior to 3.0.2) does not properly sanitize user input and may allow an attacker to inject system commands remotely. WebAccess/NMS To OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech WebAccess/NMS. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.The specific flaw exists within the processing of calls to the ManualDBBackup endpoint. When parsing the filenamebknow parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Advantech WebAccess/NMS is a set of Web browser-based Network Management System (NMS) software package developed by China Taiwan Advantech Corporation. There is an operating system command injection vulnerability in Advantech WebAccess/NMS versions before 3.0.2. The vulnerability is caused by the program not sanitizing user input
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