diff --git a/app/helpers/api/vulnerabilities_helper.rb b/app/helpers/api/vulnerabilities_helper.rb
index 9c4799a9a..0be072966 100644
--- a/app/helpers/api/vulnerabilities_helper.rb
+++ b/app/helpers/api/vulnerabilities_helper.rb
@@ -18,8 +18,8 @@ def bdsa_cve_id(data)
   end
 
   def cvss3_severity(data, type = nil)
-    score = type == 'CVE' ? data['baseScore'] : data['temporalMetrics']['score']
-    "#{score} #{data['severity'].titleize}"
+    score = type == 'CVE' ? data['baseScore'] : data['temporalMetrics'].try { |metrics| metrics['score'] }
+    "#{score} #{data['severity'].titleize}" if score
   end
 
   def bdsa_cvss(cvss_data)
diff --git a/app/views/api/vulnerabilities/show.html.haml b/app/views/api/vulnerabilities/show.html.haml
index a8e8f9029..5a98f6fc7 100644
--- a/app/views/api/vulnerabilities/show.html.haml
+++ b/app/views/api/vulnerabilities/show.html.haml
@@ -24,7 +24,7 @@
       .col-lg-3.col-xs-6.summary-info
         .row.overflow-hidden
           .col-lg-8.col-xs-10
-            %span= cvss3_severity(@response['cvss3'])
+            %span= cvss3_severity(@response['cvss3']) || 'Temporal score not available'
             %br
             %span BDSA
           .col-lg-4.col-xs-2