A high severity vulnerability (CVE-2021-44228, CVSSv3 10.0) impacting multiple versions of the Apache Log4j 2 utility was disclosed publicly on December 9, 2021. This vulnerability exists in Apache Log4j 2 versions 2.0 to 2.14.1. According to the developer, version 1.x of Log4j is not susceptible to this vulnerability.
Generally speaking, DualShield is not susceptible to this vulnerability.