Beijing Muhua Information Technology Co., Ltd. was registered in the Haidian Branch on 2014-03-28. The companyβs business scope includes technology development of Internet technology, software technology, e-commerce technology, electronic publishing technology, etc. Beijing MUHUA Information Technology Co., Ltd. learns the cloud 3.0 network teaching platform Web version has a logic flaw vulnerability, the attacker can use the vulnerability to obtain the corresponding sensitive data of teachers and students as well as the platform permission settings.