Improper Neutralization of Special Elements used in a Command ('Command Injection')
Accellion File Transfer Appliance before FTA_9_11_210 allows remote attackers to execute arbitrary code via shell metacharacters in the oauth_token parameter.
CWE-77 - Command Injection
A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.