Add assigned CVE

Signed-off-by: Joas Schilling <coding@schilljs.com>

server/nc-sa-2020-018.json

@@ -14,12 +14,12 @@
    "Affected":[
       {
          "Version":"18.0.3",
-         "CVE":"CVE assignment pending",
+         "CVE":"CVE-2020-8154",
          "Operator":"<"
       },
       {
          "Version":"17.0.5",
-         "CVE":"CVE assignment pending",
+         "CVE":"CVE-2020-8154",
          "Operator":"<"
       }
    ],