In ApexPro Telemetry Server Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinical Information Center (CIC) Versions 4.X and 5.X, CARESCAPE Central Station (CSCS) Versions 1.X, B450 Version 2.X, B650 Version 1.X, B650 Version 2.X, B850 Version 1.X, B850 Version 2.X, a vulnerability in the software update mechanism allows an authenticated attacker to upload arbitrary files on the system through a crafted update package.