diff --git a/nifi-commons/nifi-security-socket-ssl/pom.xml b/nifi-commons/nifi-security-socket-ssl/pom.xml
index a18b60813a..4890c6a366 100644
--- a/nifi-commons/nifi-security-socket-ssl/pom.xml
+++ b/nifi-commons/nifi-security-socket-ssl/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.1.65.Final</version>
+            <version>${netty.4.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/nifi-external/nifi-spark-receiver/pom.xml b/nifi-external/nifi-spark-receiver/pom.xml
index c829705712..97b5f7444d 100644
--- a/nifi-external/nifi-spark-receiver/pom.xml
+++ b/nifi-external/nifi-spark-receiver/pom.xml
@@ -48,6 +48,11 @@
                 <artifactId>zookeeper</artifactId>
                 <version>3.4.14</version>
             </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty</artifactId>
+                <version>${netty.3.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <dependencies>
diff --git a/nifi-nar-bundles/nifi-atlas-bundle/pom.xml b/nifi-nar-bundles/nifi-atlas-bundle/pom.xml
index fc51c7f3aa..863d30d496 100644
--- a/nifi-nar-bundles/nifi-atlas-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-atlas-bundle/pom.xml
@@ -85,6 +85,17 @@
                 <artifactId>commons-compress</artifactId>
                 <version>1.21</version>
             </dependency>
+            <!-- Override Netty 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-handler</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-epoll</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/nifi-nar-bundles/nifi-druid-bundle/pom.xml b/nifi-nar-bundles/nifi-druid-bundle/pom.xml
index 912e6d362c..d193312348 100644
--- a/nifi-nar-bundles/nifi-druid-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-druid-bundle/pom.xml
@@ -90,6 +90,23 @@
                 <artifactId>zookeeper</artifactId>
                 <version>3.4.14</version>
             </dependency>
+            <!-- Override Netty 3 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty</artifactId>
+                <version>${netty.3.version}</version>
+            </dependency>
+            <!-- Override Netty Transport 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-epoll</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-5-processors/pom.xml b/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-5-processors/pom.xml
index a1c61c3949..ec2e0fc5d0 100644
--- a/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-5-processors/pom.xml
+++ b/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-5-processors/pom.xml
@@ -93,6 +93,22 @@ language governing permissions and limitations under the License. -->
             <artifactId>nifi-ssl-context-service</artifactId>
             <scope>test</scope>
         </dependency>
+        <!-- Override Netty 4 -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-transport</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-codec-http</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-handler</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/pom.xml b/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/pom.xml
index 649937615a..fa0157b985 100644
--- a/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/pom.xml
+++ b/nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/pom.xml
@@ -138,6 +138,12 @@ language governing permissions and limitations under the License. -->
             <artifactId>nifi-standard-record-utils</artifactId>
             <version>1.15.0-SNAPSHOT</version>
         </dependency>
+        <!-- Override Netty 3 -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty</artifactId>
+            <version>${netty.3.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/nifi-nar-bundles/nifi-extension-utils/nifi-event-transport/pom.xml b/nifi-nar-bundles/nifi-extension-utils/nifi-event-transport/pom.xml
index ab008d213f..b2591e85c2 100644
--- a/nifi-nar-bundles/nifi-extension-utils/nifi-event-transport/pom.xml
+++ b/nifi-nar-bundles/nifi-extension-utils/nifi-event-transport/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-handler</artifactId>
-            <version>4.1.63.Final</version>
+            <version>${netty.4.version}</version>
         </dependency>
         <dependency>
             <groupId>org.apache.nifi</groupId>
diff --git a/nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/pom.xml b/nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/pom.xml
index e592ff6b85..ddb6d21888 100644
--- a/nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/pom.xml
+++ b/nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/pom.xml
@@ -26,17 +26,16 @@
     <modules>
         <module>nifi-avro-record-utils</module>
         <module>nifi-standard-record-utils</module>
-	<module>nifi-hadoop-record-utils</module>
-	<module>nifi-mock-record-utils</module>
+	    <module>nifi-hadoop-record-utils</module>
+	    <module>nifi-mock-record-utils</module>
     </modules>
 
     <dependencyManagement>
         <dependencies>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-compress -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-flume-bundle/pom.xml b/nifi-nar-bundles/nifi-flume-bundle/pom.xml
index 4f1c127092..2eae3ab9b9 100644
--- a/nifi-nar-bundles/nifi-flume-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-flume-bundle/pom.xml
@@ -35,6 +35,18 @@
                 <artifactId>nifi-flume-processors</artifactId>
                 <version>1.15.0-SNAPSHOT</version>
             </dependency>
+            <!-- Override Netty 3 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty</artifactId>
+                <version>${netty.3.version}</version>
+            </dependency>
+            <!-- Override Netty 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-all</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>
diff --git a/nifi-nar-bundles/nifi-framework-bundle/pom.xml b/nifi-nar-bundles/nifi-framework-bundle/pom.xml
index e17c8a1fb5..bbea33ecb9 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-framework-bundle/pom.xml
@@ -647,10 +647,9 @@
                 <version>3.6</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/nifi-nar-bundles/nifi-graph-bundle/nifi-graph-test-clients/pom.xml b/nifi-nar-bundles/nifi-graph-bundle/nifi-graph-test-clients/pom.xml
index 52e9b52ed2..923462a0c4 100644
--- a/nifi-nar-bundles/nifi-graph-bundle/nifi-graph-test-clients/pom.xml
+++ b/nifi-nar-bundles/nifi-graph-bundle/nifi-graph-test-clients/pom.xml
@@ -114,5 +114,11 @@
             <groupId>org.apache.nifi</groupId>
             <artifactId>nifi-mock</artifactId>
         </dependency>
+        <!-- Override Netty 4 -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-all</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
     </dependencies>
 </project>
diff --git a/nifi-nar-bundles/nifi-graph-bundle/nifi-other-graph-services/pom.xml b/nifi-nar-bundles/nifi-graph-bundle/nifi-other-graph-services/pom.xml
index 765bfac1f0..a4c1364472 100644
--- a/nifi-nar-bundles/nifi-graph-bundle/nifi-other-graph-services/pom.xml
+++ b/nifi-nar-bundles/nifi-graph-bundle/nifi-other-graph-services/pom.xml
@@ -118,6 +118,12 @@
             <artifactId>gremlin-driver</artifactId>
             <version>${gremlin.version}</version>
         </dependency>
+        <!-- Override Netty 4 -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-all</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/nifi-nar-bundles/nifi-hadoop-bundle/pom.xml b/nifi-nar-bundles/nifi-hadoop-bundle/pom.xml
index 98a8a94c5f..22b8753ebe 100644
--- a/nifi-nar-bundles/nifi-hadoop-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-hadoop-bundle/pom.xml
@@ -39,6 +39,12 @@
                 <artifactId>jackson-databind</artifactId>
                 <version>${jackson.version}</version>
             </dependency>
+            <!-- Override Netty 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-all</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>
diff --git a/nifi-nar-bundles/nifi-hadoop-libraries-bundle/pom.xml b/nifi-nar-bundles/nifi-hadoop-libraries-bundle/pom.xml
index 0f568bf38e..ff999d4ec9 100644
--- a/nifi-nar-bundles/nifi-hadoop-libraries-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-hadoop-libraries-bundle/pom.xml
@@ -29,10 +29,9 @@
     <dependencyManagement>
         <dependencies>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-io:2.5 from hadoop libraries -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-hive-bundle/pom.xml b/nifi-nar-bundles/nifi-hive-bundle/pom.xml
index 359274d51d..ea814a5770 100644
--- a/nifi-nar-bundles/nifi-hive-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-hive-bundle/pom.xml
@@ -40,10 +40,9 @@
     <dependencyManagement>
         <dependencies>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override snapshot versions of javax.el -->
             <dependency>
@@ -111,6 +110,22 @@
                 <artifactId>zookeeper</artifactId>
                 <version>3.4.14</version>
             </dependency>
+            <!-- Override Netty 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-buffer</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-common</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-all</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/nifi-nar-bundles/nifi-kafka-bundle/pom.xml b/nifi-nar-bundles/nifi-kafka-bundle/pom.xml
index 8d1e099fc3..2009a2bfa9 100644
--- a/nifi-nar-bundles/nifi-kafka-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-kafka-bundle/pom.xml
@@ -86,10 +86,9 @@
                 <version>1.15.0-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/nifi-nar-bundles/nifi-kite-bundle/pom.xml b/nifi-nar-bundles/nifi-kite-bundle/pom.xml
index 29340d3427..13d633872e 100644
--- a/nifi-nar-bundles/nifi-kite-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-kite-bundle/pom.xml
@@ -39,10 +39,9 @@
                 <version>1.15.0-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.6.9 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.6.9.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-io:2.4 from kite -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-parquet-bundle/pom.xml b/nifi-nar-bundles/nifi-parquet-bundle/pom.xml
index 82c2026605..22b1c772e0 100644
--- a/nifi-nar-bundles/nifi-parquet-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-parquet-bundle/pom.xml
@@ -32,12 +32,11 @@
         <module>nifi-parquet-nar</module>
     </modules>
     <dependencyManagement>
-        <!-- Explicitly force Netty to 3.6.9 due to CVE-2014-0193 -->
         <dependencies>
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.6.9.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-io:2.5 -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-riemann-bundle/pom.xml b/nifi-nar-bundles/nifi-riemann-bundle/pom.xml
index 1b66a7ecb1..4093b09873 100644
--- a/nifi-nar-bundles/nifi-riemann-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-riemann-bundle/pom.xml
@@ -45,10 +45,9 @@
                 <version>1.15.0-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.6.9 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.6.9.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/nifi-nar-bundles/nifi-solr-bundle/pom.xml b/nifi-nar-bundles/nifi-solr-bundle/pom.xml
index 4e4c2ba199..53b6ae23ac 100644
--- a/nifi-nar-bundles/nifi-solr-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-solr-bundle/pom.xml
@@ -35,6 +35,47 @@
                 <artifactId>commons-io</artifactId>
                 <version>2.10.0</version>
             </dependency>
+            <!-- Override Netty 4 -->
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-buffer</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-codec</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-common</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-handler</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-resolver</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-epoll</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-unix-common</artifactId>
+                <version>${netty.4.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>
diff --git a/nifi-nar-bundles/nifi-spark-bundle/pom.xml b/nifi-nar-bundles/nifi-spark-bundle/pom.xml
index dc81d7ef60..d25b7f1e7b 100644
--- a/nifi-nar-bundles/nifi-spark-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-spark-bundle/pom.xml
@@ -59,10 +59,9 @@
                 <version>1.19.1</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override zookeeper -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-services-bundle/nifi-distributed-cache-client-service/pom.xml b/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-services-bundle/nifi-distributed-cache-client-service/pom.xml
index e8455ad279..95c8c11471 100644
--- a/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-services-bundle/nifi-distributed-cache-client-service/pom.xml
+++ b/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-services-bundle/nifi-distributed-cache-client-service/pom.xml
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-buffer</artifactId>
-            <version>4.1.65.Final</version>
+            <version>${netty.4.version}</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/nifi-nar-bundles/nifi-standard-services/nifi-hbase_1_1_2-client-service-bundle/pom.xml b/nifi-nar-bundles/nifi-standard-services/nifi-hbase_1_1_2-client-service-bundle/pom.xml
index 02c402be0e..e4260761d6 100644
--- a/nifi-nar-bundles/nifi-standard-services/nifi-hbase_1_1_2-client-service-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-standard-services/nifi-hbase_1_1_2-client-service-bundle/pom.xml
@@ -83,10 +83,9 @@
                 <version>${hadoop.version}</version>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.6.9 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.6.9.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-io:2.4 from hbase-client -->
             <dependency>
diff --git a/nifi-nar-bundles/nifi-standard-services/nifi-hbase_2-client-service-bundle/pom.xml b/nifi-nar-bundles/nifi-standard-services/nifi-hbase_2-client-service-bundle/pom.xml
index 02c80d4d85..50da74285d 100644
--- a/nifi-nar-bundles/nifi-standard-services/nifi-hbase_2-client-service-bundle/pom.xml
+++ b/nifi-nar-bundles/nifi-standard-services/nifi-hbase_2-client-service-bundle/pom.xml
@@ -53,10 +53,9 @@
     <dependencyManagement>
         <dependencies>
             <dependency>
-                <!-- Explicitly force Netty to 3.6.9 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.6.9.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
             <!-- Override commons-io:2.4 from hbase-client -->
             <dependency>
diff --git a/nifi-registry/nifi-registry-extensions/nifi-registry-aws/nifi-registry-aws-extensions/pom.xml b/nifi-registry/nifi-registry-extensions/nifi-registry-aws/nifi-registry-aws-extensions/pom.xml
index fb40e586ab..e2fcf556f5 100644
--- a/nifi-registry/nifi-registry-extensions/nifi-registry-aws/nifi-registry-aws-extensions/pom.xml
+++ b/nifi-registry/nifi-registry-extensions/nifi-registry-aws/nifi-registry-aws-extensions/pom.xml
@@ -48,6 +48,17 @@
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
+        <!-- Override Netty 4 -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-transport</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-transport-native-unix-common</artifactId>
+            <version>${netty.4.version}</version>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/nifi-toolkit/pom.xml b/nifi-toolkit/pom.xml
index 651fc71247..b27b6e9886 100644
--- a/nifi-toolkit/pom.xml
+++ b/nifi-toolkit/pom.xml
@@ -53,10 +53,9 @@
                 </exclusions>
             </dependency>
             <dependency>
-                <!-- Explicitly force Netty to 3.7.1 due to CVE-2014-0193 -->
                 <groupId>io.netty</groupId>
                 <artifactId>netty</artifactId>
-                <version>3.7.1.Final</version>
+                <version>${netty.3.version}</version>
             </dependency>
         </dependencies>
     </dependencyManagement>
diff --git a/pom.xml b/pom.xml
index 2d4a4d302a..c5639f9d33 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,6 +112,8 @@
         <jersey.version>2.33</jersey.version>
         <logback.version>1.2.6</logback.version>
         <mockito.version>3.11.2</mockito.version>
+        <netty.3.version>3.10.6.Final</netty.3.version>
+        <netty.4.version>4.1.69.Final</netty.4.version>
     </properties>
 
     <repositories>