Document OJSI-160 vulnerability

Issue-ID: OJSI-160
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: Iacb2ff0e696b128fc2cd00ff0fc95573dd7748de
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 84ff1cd..ee79725 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -40,6 +40,8 @@
 
 *Known Security Issues*
 
+        * In default deployment CCSDK (netbox-nginx) exposes HTTP port 30420 outside of cluster. [`OJSI-160 <https://jira.onap.org/browse/OJSI-160>`_]
+
 *Known Vulnerabilities in Used Modules*
 
 Quick Links: