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+# Zero-Day CVE-2021-44225 (Log4J Java Library)
+Details: [https://cubetiq.atlassian.net/browse/CERT-1](https://cubetiq.atlassian.net/browse/CERT-1)
+
+***Resolved***
+```text
+Upgrade log4j to version: 2.15.0
+```
+
+### Spring Boot
+##### Gradle Kotlin DSL (build.gradle.kts) (Gradle Multiple Modules)
+```kts
+allprojects {
+    // Fixed Zero-Day CVE-2021-44225: https://cubetiq.atlassian.net/browse/CERT-1
+    ext["log4j2.version"] = "2.15.0"
+}
+```
+
+##### Gradle Kotlin DSL (build.gradle.kts) (Gradle Single Module)
+```kts
+implementation(platform("org.apache.logging.log4j:log4j-bom:2.15.0"))
+```
+***Or***
+```kts
+ext["log4j2.version"] = "2.15.0"
+```
+
+##### Gradle DSL (build.gradle) (Gradle Multiple Modules)
+```gradle
+allprojects {
+    ext {
+        // Fixed Zero-Day CVE-2021-44225: https://cubetiq.atlassian.net/browse/CERT-1
+        set('log4j2.version', '2.15.0')
+    }
+}
+```
+***Or***
+```kts
+ext {
+    set('log4j2.version', '2.15.0')
+}
+```