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1. DualShield 5.x, DualShield 6.1, 6.2, 6.3 includes Log4j 1.x which is not susceptible to this vulnerability
2. DualShield 6.4 adds a new but optional module called Certificate Server. includes Log4j 2.14 is included and used in the Certificate Server. However, DualShield 6.4 includes JRE 8u203 which is not susceptible to Remote Code Execution (RCE).
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