diff --git a/http/cves/2017/CVE-2017-12149.yaml b/http/cves/2017/CVE-2017-12149.yaml
index edfda1c503..233f01f4a7 100644
--- a/http/cves/2017/CVE-2017-12149.yaml
+++ b/http/cves/2017/CVE-2017-12149.yaml
@@ -58,12 +58,16 @@ http:
     matchers-condition: and
     matchers:
       - type: word
-        part: body
+        part: response
         words:
+          - JBoss
           - ClassCastException
+        condition: and
+        case-insensitive: true
 
       - type: status
         status:
           - 200
           - 500
-# digest: 4b0a0048304602210093a029dbe058a25a05e53abbb431152e07db1e0304aa1feb9af3f783577e3e62022100de2b630f57bdf4e444177d9fcd3937b26db57bf1f115f7814a0c67a3e7b7cd85:922c64590222798bb761d5b6d8e72950
\ No newline at end of file
+
+# digest: 4b0a0048304602210093a029dbe058a25a05e53abbb431152e07db1e0304aa1feb9af3f783577e3e62022100de2b630f57bdf4e444177d9fcd3937b26db57bf1f115f7814a0c67a3e7b7cd85:922c64590222798bb761d5b6d8e72950