The integrated management service on Siemens Ruggedcom WIN51xx devices with firmware before SS4.4.4624.35, WIN52xx devices with firmware before SS4.4.4624.35, WIN70xx devices with firmware before BS4.4.4621.32, and WIN72xx devices with firmware before BS4.4.4621.32 allows remote attackers to bypass authentication and perform administrative actions via unspecified vectors.