Welcome to our community! 
You can see mitigation options here - Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31
Welcome to our community! 
You can see mitigation options here - Apache Log4j2 Remote Code Execution (RCE) Vulnerability - CVE-2021-44228 - ESA-2021-31