Description
用友 NC Cloud RegisterServlet 存在反序列化代码执行漏洞，攻击者可通过该漏洞在服务器端任意执行代码，写入后门，获取服务器权限，进而控制整个web服务器
用友NC /registerServlet 接口存在远程命令执行漏洞
PoC
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https://rivers.chaitin.cn/blog/cq94eap0lnechd24358g
https://github.com/Sec-Fork/POC-20250106/blob/main/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8BNC%E7%B3%BB%E7%BB%9FregisterServlet%E6%8E%A5%E5%8F%A3%E5%AD%98%E5%9C%A8JNDI%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E.md
https://www.ddpoc.com/DVB-2024-7090.html
https://cn-sec.com/archives/2739693.html
https://blog.csdn.net/qq_44905116/article/details/140430079
https://zgao.top/%E7%94%A8%E5%8F%8B%E5%A4%9A%E4%B8%AA%E6%BC%8F%E6%B4%9E%E5%A4%8D%E7%8E%B0%E5%90%88%E9%9B%86/