An arbitrary file upload vulnerability in the opcode 500 functionality of M2Soft CROWNIX Report & ERS v5.x to v5.5.14.1070, v7.x to v7.4.3.960, and v8.x to v8.2.0.345 allows attackers to execute arbitrary code via supplying a crafted file.
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.