References https://nvd.nist.gov/vuln/detail/CVE-2016-4437 https://github.com/vulhub/vulhub/blob/master/shiro/CVE-2016-4437/README.md https://github.com/Threekiii/Vulnerability-Wiki/blob/master/docs-base/docs/middleware/Apache-Shiro-1.2.4-%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E6%BC%8F%E6%B4%9E-CVE-2016-4437.md https://www.cnblogs.com/darkcyan/p/18319822 https://zhuanlan.zhihu.com/p/697440681 https://blog.csdn.net/wangzhifei1/article/details/135640524 http://joker-vip.github.io/2022/01/10/Apache%20Shiro%201.2.4%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E6%BC%8F%E6%B4%9E%EF%BC%88CVE-2016-4437%EF%BC%89/ https://saucer-man.com/information_security/396.html https://zgao.top/cve-2016-4437-apache-shiro/ https://www.cnblogs.com/backlion/p/14077804.html https://www.exploit-db.com/exploits/48410 https://issues.apache.org/jira/browse/SHIRO-550
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