Merge pull request #689 from Martin-Aulich/feature/CVE-2021-44228-fix

Bugfix for CVE-2021-44228 increased Log4J version

Author: Philipp Etschel

backend/pom.xml

@@ -53,7 +53,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <skip.docker.build>true</skip.docker.build>
         <!-- Dependency Versions -->
-        <log4j2.version>2.14.1</log4j2.version>
+        <log4j2.version>2.15.0</log4j2.version>
         <lombok.version>1.18.22</lombok.version>
         <lombok.maven.plugin.version>1.18.20.0</lombok.maven.plugin.version>
         <micronaut.version>3.2.0</micronaut.version>