References https://nvd.nist.gov/vuln/detail/CVE-2021-45046 https://logging.apache.org/log4j/2.x/security.html https://www.venustech.com.cn/new_type/aqtg/20211216/23340.html https://avd.aliyun.com/detail?id=AVD-2021-45046 https://access.redhat.com/security/cve/cve-2021-45046 https://www.h3c.com/cn/d_202112/1519670_30003_0.htm https://cve.imfht.com/detail/CVE-2021-45046 https://blog.csdn.net/qq_34493854/article/details/121969599 https://www.cnblogs.com/zpchcbd/p/16200105.html https://zhuanlan.zhihu.com/p/458025535
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