Recently, one of the most popular control panels named cPanel released a patch to correct a flaw in the log4j Java library. However, the vulnerability is known as Log4Shell and is also described as a catastrophic vulnerability by researchers. Does Log4j (CVE-2021-44228) affect cPanel? Yes, you have to uninstall the cPanel solr plugin because it is vulnerable. However, an update in version 8.8.2-4+ has been announced to mitigate CVE-2021-44228 to the Cpanel-devecot-solr RPM. https://www.temok.com/blog/cpanel-log4j-vulnerability/