In Advantech WebAccess versions V8.220170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a path transversal vulnerability has been identified, which may allow an attacker to execute arbitrary code.

WebAccess/NMS (versions prior to 3.0.2) allows an unauthenticated remote user to create a new admin account.

An attacker could use a specially crafted URL to delete or read files outside the WebAccess/NMS's (versions prior to 3.0.2) control.

An attacker could use a specially crafted URL to delete files outside the WebAccess/NMS's (versions prior to 3.0.2) control.

Multiple issues exist that allow files to be uploaded and executed on the WebAccess/NMS (versions prior to 3.0.2).