Update exposed-redis.yaml

This suggests a CWE classification

network/exposures/exposed-redis.yaml

@@ -7,6 +7,10 @@ info:
   description: Redis server without any required authentication was discovered.
   reference:
     - https://redis.io/topics/security
+  classification:
+    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
+    cvss-score: 7.2
+    cwe-id: CWE-306
   metadata:
     max-request: 4
   tags: network,redis,unauth,exposure