漏洞描述
Apache Struts2框架是一个用于开发Java EE网络应用程序的Web框架。Struts2 会对某些标签属性(比如 id，其他属性有待寻找)的属性值进行二次表达式解析，因此当这些标签属性中使用了 %{x} 且 x 的值用户可控时，用户再传入一个 %{payload}即可造成OGNL表达式执行。S2-061是对S2-059沙盒进行的绕过。
Apache Struts2(S2-061)远程代码执行漏洞(CVE-2020-17530)
PoC代码
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